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jun 10, 1989 - 1989年6月10日永新彩色显像管工程急需的 8台35 千伏六氟化硫高压开关柜，提前20 天在上海华通开关厂制造完毕，标志着中国35千伏六氟化硫开关生产达到世界水平。

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1989年6月10日永新彩色显像管工程急需的 8台35 千伏六氟化硫高压开关柜，提前20 天在上海华通开关厂制造完毕，标志着中国35千伏六氟化硫开关生产达到世界水平。

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工业大事年表

2 Sep 2023

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Date:

jun 10, 1989

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~ 37 years ago

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