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8 jan 1992 ano - 1992年1月8日上海无线电七厂承担的国家“八五”科技攻关项目——SC20S(A)SC272 接近开关专用电路通过鉴定，填补国内空白。

Descrição:

1992年1月8日上海无线电七厂承担的国家“八五”科技攻关项目——SC20S(A)SC272 接近开关专用电路通过鉴定，填补国内空白。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

8 jan 1992 ano

Agora

~ 33 years ago

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