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jun 4, 1989 - 1989年7 月4日年产9000公里光纤的引进生产线在上海新沪玻璃厂建成投产。

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1989年7 月4日年产9000公里光纤的引进生产线在上海新沪玻璃厂建成投产。

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工业大事年表

2 Sep 2023

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jun 4, 1989

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~ 36 years ago

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