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19 ottob 1965 anni - 1965年10月19日上海机床厂试制成功中国第一台高精度万能补圆磨床。

Descrizione:

1965年10月19日上海机床厂试制成功中国第一台高精度万能补圆磨床。

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工业大事年表

2 set 2023

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688

Data:

19 ottob 1965 anni

Adesso

~ 60 years ago

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