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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
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27 marzo 1989 anni - 1989年3月27日 国家“七五”科技重点项目——中国自行设计的第一根大长度、大容量过江水底电缆,由上海电缆厂研制成功,并通过验收。
Descrizione:
1989年3月27日 国家“七五”科技重点项目——中国自行设计的第一根大长度、大容量过江水底电缆,由上海电缆厂研制成功,并通过验收。
Aggiunto al nastro di tempo:
工业大事年表
By
Loo Qoo
2 set 2023
1
0
688
Data:
27 marzo 1989 anni
Adesso
~ 36 years ago
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