Hits:
First Author:jiazhenyuan
Disigner of the Invention:zhangjun,徐成帅,renzongjin,齐亚州,田雨,Fuji Wang
Authorization number:ZL201510981521.4
Pre One:提高碳纤维复合材料直角切削实验精度的方法
Next One:一种阶梯微齿双刃带钻锪一体钻头