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15 out 1963 ano - 1963年10月15日上海第一机床厂完成第一台精密新产品一-YS2250螺旋伞齿轮锐齿机的装配工作。

Descrição:

1963年10月15日上海第一机床厂完成第一台精密新产品一-YS2250螺旋伞齿轮锐齿机的装配工作。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

15 out 1963 ano

Agora

~ 62 years ago

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