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jan 16, 1972 - 1972年1月16日是日上海第五钢铁厂制成大型真空精炼炉。

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1972年1月16日是日上海第五钢铁厂制成大型真空精炼炉。

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工业大事年表

2 Sep 2023

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Date:

jan 16, 1972

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~ 53 years ago

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