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dec 13, 1986 - 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。

Description:

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。

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工业大事年表

ByLoo Qoo
2 Sep 2023
1
0
731

Date:

dec 13, 1986
Now
~ 39 years ago
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