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6 agos 1982 anni - 1982年8月6日上海重型机器厂与北京钢铁学院协作建成 200 吨级大型电渣重熔炉。

Descrizione:

1982年8月6日上海重型机器厂与北京钢铁学院协作建成 200 吨级大型电渣重熔炉。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

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688

Data:

6 agos 1982 anni

Adesso

~ 43 years ago

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