一种面向窄口深腔环境的螺栓自动预紧方法
Date:2021-09-09 Hits:
First Author:Li Te
Disigner of the Invention:张嘉礼,Haibo Liu,Wang Yongqing,余雪,Kuo Liu
Application Number:CN201710407783.9
Authorization Date:2017-06-05
Authorization number:CN107160157A
Authorization Date:2017-06-05