Title:可自动退锚的全螺纹锚杆预紧力施加装置
Type of Patent:实用新型
Application Number:201320745456.1
Number of Inventors:1
Service Invention or Not:No
Application Date:2013-11-21
Publication Date:2014-04-23
Authorization Date:2013-11-21
Release Time:2018-05-15