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30 sett 1978 anni - 1978年9月30日上海第三钢铁厂铸钢车间运用全水冷挂渣炉壁新工艺，创电炉炉龄 369炉的全国最高纪录。

Descrizione:

1978年9月30日上海第三钢铁厂铸钢车间运用全水冷挂渣炉壁新工艺，创电炉炉龄 369炉的全国最高纪录。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

1

0

686

Data:

30 sett 1978 anni

Adesso

~ 47 years ago

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