旋转式注浆加固装置

Release time:2020-05-10|Hits:

Affilication of Author(s):岩土与结构工程研究中心

Patent Applicant:cuiwei,zhangqianqing

Type of Patent:实用新型

Application Number:201921168703X

Number of Inventors:2

Service Invention or Not:no

Application Date:2019-07-23

Publication Date:2020-05-08

Authorization Date:2020-05-08