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mar 31, 1990 - 1990年3月31日上海氯碱总厂年产20万吨聚氯乙烯装置一次投料试车成功。

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1990年3月31日上海氯碱总厂年产20万吨聚氯乙烯装置一次投料试车成功。

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工业大事年表

2 Sep 2023

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Date:

mar 31, 1990

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~ 35 years ago

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