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apr 12, 1977 - 1977年4月12日上海新跃仪表厂研制成功80万倍电子显微镜。

Description:

1977年4月12日上海新跃仪表厂研制成功80万倍电子显微镜。

Added to timeline:

工业大事年表

2 Sep 2023

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731

Date:

apr 12, 1977

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~ 49 years ago

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