Hits:
First Author:lingsiying
Disigner of the Invention:汪训练,于宝地,陈义磊,wangliding
Application Number:CN201810670073.X
Authorization Date:2018-06-22
Authorization number:CN108818032A
Pre One:一种基准级齿轮螺旋线样板
Next One:一种用于正N棱柱零件的定角分度与定位夹具