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jan 16, 1972 - 1972年1月16日是日 上海第五钢铁厂制成大型真空精炼炉。
Description:
1972年1月16日是日 上海第五钢铁厂制成大型真空精炼炉。
Added to timeline:
工业大事年表
By
Loo Qoo
2 Sep 2023
1
0
731
Date:
jan 16, 1972
Now
~ 54 years ago
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