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14 out 1971 ano - 1971年10月14日上海机床厂自行设计制造成功具有国际先进水平的中国第一台 S7450大型精密螺纹磨床。

Descrição:

1971年10月14日上海机床厂自行设计制造成功具有国际先进水平的中国第一台 S7450大型精密螺纹磨床。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

14 out 1971 ano

Agora

~ 54 years ago

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