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apr 30, 1970 - 1970年4月30日是日上海船厂建成1万马力低速重型些油机。

Description:

1970年4月30日是日上海船厂建成1万马力低速重型些油机。

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工业大事年表

2 Sep 2023

1

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688

Date:

apr 30, 1970

Now

~ 55 years ago

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