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jul 21, 1968 - 1968年7月21日上海机床厂制成中国第一台M7150A 大型平面磨床。

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1968年7月21日上海机床厂制成中国第一台M7150A 大型平面磨床。

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工业大事年表

2 Sep 2023

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688

Date:

jul 21, 1968

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~ 57 years ago

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