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jan 9, 1970 - 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。

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工业大事年表

2 Sep 2023

1

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689

Date:

jan 9, 1970

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~ 55 years ago

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