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31 dic 1956 anni - 1956年12月31日新建上钢三厂投产，新增炼银能力71万吨。

Descrizione:

1956年12月31日新建上钢三厂投产，新增炼银能力71万吨。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

1

0

688

Data:

31 dic 1956 anni

Adesso

~ 68 years ago

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