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30 apr 1975 anni - 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 set 2023

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689

Data:

30 apr 1975 anni

Adesso

~ 50 years ago

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