一种可快速退锚的全螺纹锚杆预紧力施加装置及操作方法

Release time:2018-05-15|Hits:

Disigner of the Invention:lishucai,wanghongtao

Type of Patent:发明

Application Number:201310598078.3

Number of Inventors:32

Service Invention or Not:no

Application Date:2013-11-21

Publication Date:2015-10-21

Authorization Date:2013-11-21