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mar 27, 1991 - 1991年3月27日中国第一台560吨加氢反应器锻件在上海通过国家级鉴定。

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1991年3月27日中国第一台560吨加氢反应器锻件在上海通过国家级鉴定。

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工业大事年表

2 Sep 2023

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Date:

mar 27, 1991

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~ 34 years ago

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