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02/05/2009
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OIL COUNTRY TUBULAR GOOD FOR EXPANSION IN WELL AND MANUFACTURING METHOD THEREOF
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07/20/2010
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12285033
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09/29/2008
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02/12/2009
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01/25/2011
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12285252
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10/01/2008
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04/16/2009
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ULTRASONIC PROBE, ULTRASONIC FLAW DETECTION METHOD, AND ULTRASONIC FLAW DETECTION APPARATUS
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03/27/2012
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10/01/2008
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02/12/2009
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METHOD FOR PRODUCING ULTRA THIN WALL METALLIC TUBE WITH COLD WORKING PROCESS
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09/07/2010
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12289112
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10/21/2008
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08/06/2009
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12/27/2011
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12293391
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12/30/2008
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08/20/2009
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LUBRICANT FOR HOT METAL WORKING AND POWDER LUBRICANT COMPOSITION FOR HOT METAL WORKING
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10/21/2014
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04/15/2009
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12/10/2009
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LUBRICANT COMPOSITION FOR HOT METAL WORKING AND METHOD OF HOT METAL WORKING USING THE SAME
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09/08/2015
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12/29/2008
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12/17/2009
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HOT-WORKING STEEL EXCELLENT IN MACHINABILITY AND IMPACT VALUE
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07/01/2014
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12/19/2008
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09/23/2010
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High strength steel pipe for line pipe superior in low temperature toughness and high strength steel plate for line pipe and methods of production of the same
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01/28/2014
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01/14/2009
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10/01/2009
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Title:
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ALLOY WITH HIGH GLASS FORMING ABILITY AND ALLOY-PLATED METAL MATERIAL USING SAME
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10/15/2013
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01/22/2009
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12/10/2009
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High-Strength Non-Oriented Electrical Steel Sheet
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09/09/2014
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12310033
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03/17/2009
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11/12/2009
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Title:
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STEEL MATERIAL FOR AUTOMOBILE CHASSIS PARTS SUPERIOR IN FATIGUE CHARACTERISTICS AND METHOD OF PRODUCTION OF AUTOMOBILE CHASSIS PARTS USING THE SAME
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02/14/2012
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07/02/2009
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11/19/2009
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Title:
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04/09/2013
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12310818
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11/06/2009
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03/11/2010
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Title:
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MONITORING APPARATUS AND MONITORING METHOD OF SEAMLESS PIPE OR TUBE PRODUCTION CONDITIONS AND MANUFACTURING FACILITIES OF SEAMLESS PIPE OR TUBE
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01/10/2012
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12311162
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11/03/2009
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05/06/2010
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ULTRASONIC TESTING METHOD OF THREADED JOINT OF PIPES OR TUBES
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07/07/2015
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12311173
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04/13/2009
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04/08/2010
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Title:
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Enameling steel sheet, excellent in fishscale resistance and method of producing the same
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06/28/2016
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12311821
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04/13/2009
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07/22/2010
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HOT FORGING USE NON-HEAT-TREATED STEEL AND HOT FORGED NON-HEAT-TREATED STEEL PART
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05/23/2017
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12312010
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04/21/2009
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02/25/2010
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Forging steel
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01/15/2013
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05/04/2009
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02/25/2010
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HIGH YOUNG'S MODULUS STEEL PLATE AND METHOD OF PRODUCTION OF SAME
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10/18/2011
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12312885
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05/28/2009
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12/30/2010
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WELDED STEEL PIPE FOR HIGH STRENGTH LINE PIPE SUPERIOR IN LOW TEMPERATURE TOUGHNESS AND METHOD OF PRODUCTION OF THE SAME
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01/31/2012
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12312962
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02/09/2010
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05/27/2010
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FLAW DETECTION TRACKING DEVICE FOR PIPE OR TUBE AND AUTOMATIC FLAW DETECTING APPARATUS FOR PIPE OR TUBE USING THE SAME
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09/20/2011
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12314727
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12/16/2008
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04/23/2009
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METHOD FOR PRODUCING MARTENSITIC STAINLESS STEEL PIPE
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11/26/2013
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12315751
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12/04/2008
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04/09/2009
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JOINING STRUCTURE OF ROOF TRUSS USING THIN LIGHT-GAUGE SHAPED STEEL
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10/08/2013
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12317201
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12/18/2008
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05/28/2009
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Laminated metal sheet and method of production of same
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02/14/2012
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12318477
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12/30/2008
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07/16/2009
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METAL TUBE FOR PYROLYSIS REACTION
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08/10/2010
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12318882
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01/12/2009
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08/13/2009
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HOT BEND PIPE AND A PROCESS FOR ITS MANUFACTURE
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12/06/2011
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12346569
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12/30/2008
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06/11/2009
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INDUCTION HARDENED HOLLOW DRIVING SHAFT
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04/24/2012
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12379724
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02/27/2009
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09/17/2009
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MARTENSITIC STAINLESS STEEL FOR WELDED STRUCTURES
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09/13/2011
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12379725
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02/27/2009
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09/17/2009
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BLASTING DEVICE FOR STEEL PIPE INNER SURFACE, BLASTING METHOD FOR STEEL PIPE INNER SURFACE, AND METHOD FOR PRODUCING STEEL PIPE WITH EXCELLENT INNER SURFACE TEXTURE
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10/14/2014
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12381649
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03/13/2009
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09/24/2009
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THREADED JOINT FOR STEEL PIPES
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02/28/2012
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12385618
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04/14/2009
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12/17/2009
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MANDREL MILL AND PROCESS FOR MANUFACTURING A SEAMLESS PIPE
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03/24/2015
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04/17/2009
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10/29/2009
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Nickel material for chemical plant
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07/30/2013
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04/24/2009
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09/24/2009
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Seamless Steel Tube for an Airbag Accumulator and Process for its Manufacture
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04/02/2013
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12438079
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02/19/2009
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07/01/2010
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STEEL MATERIAL FOR UNDERGROUND CONTINUOUS WALL, METHOD FOR PRODUCING STEEL MATERIAL FOR UNDERGROUND CONTINUOUS WALL, UNDERGROUND CONTINUOUS WALL, AND METHOD FOR CONSTRUCTING UNDERGROUND CONTINUOUS WALL
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09/19/2017
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02/26/2009
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01/14/2010
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METHOD OF IDENTIFICATION OF CAUSE AND/OR LOCATION OF CAUSE OF OCCURRENCE OF SPRINGBACK
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03/26/2013
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03/05/2009
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08/12/2010
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PRODUCTION FACILITY AND PRODUCTION PROCESS FOR HOT DIP GALVANNEALED STEEL PLATE
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11/14/2017
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04/27/2009
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03/25/2010
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Beta-TYPE TITANIUM ALLOY
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01/15/2013
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12448581
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06/24/2009
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03/04/2010
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05/12/2015
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03/29/2010
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08/05/2010
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ROLLING STAND
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11/08/2016
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08/17/2009
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01/21/2010
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APPARATUS AND METHOD FOR RAM BENDING OF TUBE MATERIAL
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06/09/2015
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12449812
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08/26/2009
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04/29/2010
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10/22/2013
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08/26/2009
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04/08/2010
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HIGH STRENGTH HOT ROLLED STEEL PRODUCTS FOR LINE-PIPES EXCELLENT IN LOW TEMPERATURE TOUGHNESS AND PRODUCTION METHOD OF THE SAME
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06/23/2015
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09/02/2009
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03/11/2010
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HIGH STRENGTH HOT ROLLED STEEL PLATE FOR SPIRAL LINE PIPE SUPERIOR IN LOW TEMPERATURE TOUGHNESS AND METHOD OF PRODUCTION OF SAME
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