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may 21, 1965 - 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。

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工业大事年表

2 Sep 2023

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Date:

may 21, 1965

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~ 60 years ago

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