33
/fr/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
8666628
820605
2
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6 janv. 1960 - 1960年1 月6日上海电焊机厂试制成功重达15吨的MR-500 钢轨对焊机,性能符合设计要求。
Description:
1960年1 月6日上海电焊机厂试制成功重达15吨的MR-500 钢轨对焊机,性能符合设计要求。
Ajouté au bande de temps:
工业大事年表
By
Loo Qoo
2 sept. 2023
1
0
686
Date:
6 janv. 1960
Maintenaint
~ Il y a 65 ans
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