一种用于后注浆桩的注浆口开闭可控的注浆装置及方法

Release time:2021-06-17|Hits:

Affilication of Author(s):岩土与结构工程研究中心

Type of Patent:发明

Application Number:201910667667.X

Number of Inventors:2

Service Invention or Not:no

Application Date:2019-07-23

Publication Date:2021-06-01

Authorization Date:2021-06-01