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1955年1月上海灯泡厂开始正式生产钨丝。在此以前，中国钨丝全部依赖进口。 (jan 1, 1955 – jan 1, 0)

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1955年1月上海灯泡厂开始正式生产钨丝。在此以前，中国钨丝全部依赖进口。

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工业大事年表

2 Sep 2023

1

0

731

Date:

jan 1, 1955

jan 1, 0

~ 0 days

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