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25 jun 1987 ano - 1987年6月25日国产300吨钢包在宝山钢铁总厂炼钢厂第一次试用成功。

Descrição:

1987年6月25日国产300吨钢包在宝山钢铁总厂炼钢厂第一次试用成功。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

25 jun 1987 ano

Agora

~ 38 years ago

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