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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。 (1 magg 1980 anni – 1 gen 0 anni)

Descrizione:

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。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

1

0

688

Data:

1 magg 1980 anni

1 gen 0 anni

~ 0 days

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