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sep 30, 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。

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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

2 Sep 2023

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688

Date:

sep 30, 1983

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~ 42 years ago

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