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20 sett 1964 anni - 1964年9月20日上海市电子光学技术研究所和工厂、高校协作，研制成功 20 万倍电子显微镜。

Descrizione:

1964年9月20日上海市电子光学技术研究所和工厂、高校协作，研制成功 20 万倍电子显微镜。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

1

0

688

Data:

20 sett 1964 anni

Adesso

~ 61 years ago

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