Title: : 一种注浆锚杆端头式多级止浆塞
Affilication of Author(s): : 岩土与结构工程研究中心
Patent Applicant: : lihaiyan
Type of Patent: : 实用新型
Application Number: : 201220598673.8
Number of Inventors: : 1
Service Invention or Not: : no
Application Date: : 2012-11-14
Publication Date: : 2013-04-17
Authorization Date: : 2013-04-17
Professor of Application
Gender : Male
Status : Employed
School/Department : 土建与水利学院
Date of Employment : 2006-10-18
The Last Update Time : ..
