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13 dic 1986 anni - 1986年12月13日上海重型机床厂研制成功国内第-台带凹凸磨削功能的大型精密龙门导轨磨床，达到世界先进水平。

Descrizione:

1986年12月13日上海重型机床厂研制成功国内第-台带凹凸磨削功能的大型精密龙门导轨磨床，达到世界先进水平。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

1

0

686

Data:

13 dic 1986 anni

Adesso

~ 38 years ago

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