Release Time:2020-04-09 Hits:
First Author: Hongnan Li
Disigner of the Invention: 张偲严
Application Number: CN201610445492.4
Authorization Date: 2016-06-17
Authorization Number: CN105952000A
Prev One:一种碰撞耗能间隔棒
Next One:一种中心固定的旋转式耗能连接件