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21 gen 1993 anni - 1993年1 月21日上海第十二机床厂研制成功中国第一台印刷线路板数控加工中心。

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1993年1 月21日上海第十二机床厂研制成功中国第一台印刷线路板数控加工中心。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

1

0

689

Data:

21 gen 1993 anni

Adesso

~ 32 years ago

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