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9 jan 1970 ano - 1970年1月9日上海市无线电专用机械厂、上海锅炉厂等十多个单位建成第一座单晶炉并拉出第一炉单晶硅。

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1970年1月9日上海市无线电专用机械厂、上海锅炉厂等十多个单位建成第一座单晶炉并拉出第一炉单晶硅。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

9 jan 1970 ano

Agora

~ 55 years ago

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