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aug 9, 1968 - 1968年8月9日上海工具厂制成高效耐用的钻头纵向轧制机。

Description:

1968年8月9日上海工具厂制成高效耐用的钻头纵向轧制机。

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工业大事年表

2 Sep 2023

1

0

731

Date:

aug 9, 1968

Now

~ 57 years ago

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