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oct 19, 1965 - 1965年10月19日上海机床厂试制成功中国第一台高精度万能补圆磨床。

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1965年10月19日上海机床厂试制成功中国第一台高精度万能补圆磨床。

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工业大事年表

2 Sep 2023

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Date:

oct 19, 1965

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~ 60 years ago

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