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21 magg 1965 anni - 1965年5月21日上海曙光机械厂试制成功高真空镀膜设备，并已成批生产，填补了中国真空设备制造的空白。

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1965年5月21日上海曙光机械厂试制成功高真空镀膜设备，并已成批生产，填补了中国真空设备制造的空白。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

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686

Data:

21 magg 1965 anni

Adesso

~ 60 years ago

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