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30 abr 1975 ano - 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。

Descrição:

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。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

30 abr 1975 ano

Agora

~ 50 years ago

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