一种隧道注浆帷幕外泄水钻孔安全施工工艺

Release time:2019-01-26|Hits:

Affilication of Author(s):岩土与结构工程研究中心

Patent Applicant:zhangbo

Disigner of the Invention:yanglei,lishucai,zhangqingsong

Application Number:201610546946.7

Number of Inventors:4

Service Invention or Not:no

Application Date:2016-07-12