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06/02/2016
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08/16/2016
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14929873
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11/02/2015
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02/25/2016
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Method for Producing Trichlorosilane
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04/06/2021
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15826864
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11/30/2017
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03/22/2018
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05/21/2019
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15872309
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01/16/2018
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05/24/2018
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PRIMARY DISTILLATION BORON REDUCTION
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12/24/2019
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05/02/2018
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11/07/2019
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Method to Prevent Grounding from a Silicon Rod to a Plate in Polycrystalline Silicon Reactor
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03/01/2022
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01/03/2019
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CONTROLLED SILICON POLYMER TREATMENT METHOD
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04/19/2022
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16310532
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12/17/2018
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08/15/2019
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POLYCRYSTALLINE SILICON ROD AND METHOD FOR PRODUCING SAME
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04/16/2024
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17065013
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10/07/2020
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04/07/2022
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10/17/2023
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03/23/2021
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09/23/2021
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