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30 sept. 1983 - 1983年9月30日上海电缆厂试制成功第一根国产10800路中同轴电缆。

Description:

1983年9月30日上海电缆厂试制成功第一根国产10800路中同轴电缆。

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工业大事年表

ByLoo Qoo
2 sept. 2023
1
0
686

Date:

30 sept. 1983
Maintenaint
~ Il y a 42 ans
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