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feb 3, 1971 - 1971年2月3日上海螺帽五厂制成第一台 16 吨多功能冷墩机。

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1971年2月3日上海螺帽五厂制成第一台 16 吨多功能冷墩机。

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工业大事年表

2 Sep 2023

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688

Date:

feb 3, 1971

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~ 54 years ago

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