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16 jan 1972 ano - 1972年1月16日是日上海第五钢铁厂制成大型真空精炼炉。

Descrição:

1972年1月16日是日上海第五钢铁厂制成大型真空精炼炉。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

16 jan 1972 ano

Agora

~ 53 years ago

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