Current position: Home >> Scientific Research >> Patents

一种中心固定的旋转式耗能连接件

Hits:

First Author:Hongnan Li

Disigner of the Invention:张偲严

Application Number:CN201610445434.1

Authorization Date:2016-06-17

Authorization number:CN105952016A

Pre One:一种对称旋转式耗能连接件

Next One:一种混凝土的施工工艺