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jul 28, 1972 - 1972年7月28日上海滚动轴承厂制成上海第一台大型轴承专用磨床。

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1972年7月28日上海滚动轴承厂制成上海第一台大型轴承专用磨床。

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工业大事年表

2 Sep 2023

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Date:

jul 28, 1972

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~ 53 years ago

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