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nov 23, 1979 - 1979年11 月23日上海市重大科技项目一-直径60毫米三辊式行星轧机,由上海第一铜棒厂和上海治金设计院共同设计研制成功使中国压力加工装备达到20世纪70年代国际水平。
Description:
1979年11 月23日上海市重大科技项目一-直径60毫米三辊式行星轧机,由上海第一铜棒厂和上海治金设计院共同设计研制成功使中国压力加工装备达到20世纪70年代国际水平。
Added to timeline:
工业大事年表
By
Loo Qoo
2 Sep 2023
1
0
731
Date:
nov 23, 1979
Now
~ 46 years ago
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