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1980年5月是月上海电缆厂试制成功国产第一根35万千伏铝芯交联聚乙烯绝缘电缆。 (may 1, 1980 – jan 1, 0)

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1980年5月是月上海电缆厂试制成功国产第一根35万千伏铝芯交联聚乙烯绝缘电缆。

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工业大事年表

ByLoo Qoo
2 Sep 2023
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Date:

may 1, 1980
jan 1, 0
~ 0 days
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