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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。 (1 jan 1955 ano – 1 jan 0 ano)

Descrição:

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。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

1 jan 1955 ano

1 jan 0 ano

~ 0 days

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