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jan 21, 1959 - 1959年1月21日上海机床厂试制成功第一台2米自动滚齿机。

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1959年1月21日上海机床厂试制成功第一台2米自动滚齿机。

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工业大事年表

2 Sep 2023

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688

Date:

jan 21, 1959

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~ 66 years ago

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