一种压力触发式水下灌注桩标高定位装置及其使用方法

Release time:2019-04-15|Hits:

Affilication of Author(s):岩土与结构工程研究中心

Patent Applicant:yangniqing,zhangqianqing,cuiwei

Type of Patent:发明

Application Number:201510511514.8

Number of Inventors:3

Service Invention or Not:no

Application Date:2015-08-18

Publication Date:2016-11-30

Authorization Date:2016-11-30