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dec 31, 1957 - 1957年12 月31日上海市建成国内第一座连续铸锭设备。

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1957年12 月31日上海市建成国内第一座连续铸锭设备。

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工业大事年表

2 Sep 2023

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688

Date:

dec 31, 1957

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~ 67 years ago

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