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nov 4, 1964 - 1964年11月4日上海重型机床厂试制成功中国第一台自行设计的 12 米深孔钻。

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1964年11月4日上海重型机床厂试制成功中国第一台自行设计的 12 米深孔钻。

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工业大事年表

2 Sep 2023

1

0

731

Date:

nov 4, 1964

Now

~ 61 years ago

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