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apr 30, 1975 - 1975年4月30日上海焊接二厂为上海金山石油化工总厂完成了第一只重达 270多吨的大利球罐的焊接任务。

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1975年4月30日上海焊接二厂为上海金山石油化工总厂完成了第一只重达 270多吨的大利球罐的焊接任务。

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工业大事年表

2 Sep 2023

1

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731

Date:

apr 30, 1975

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~ 51 years ago

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