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31 mar 1990 ano - 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。

Descrição:

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。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

31 mar 1990 ano

Agora

~ 35 years ago

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