Release Time:2019-12-14 Hits:
First Author: 常颖
Disigner of the Invention: 王治文,韩硕,王宁,杨晓莉,余树洲,李晓东,王宝堂
Authorization Number: 201710970564.1
Next One:一种基于伺服电机的齿轮丝杠式板材变比例加载双拉试验系统