一种压力触发式水下灌注桩标高定位装置

Release time:2018-12-06|Hits:

Disigner of the Invention:yangniqing,zhangqianqing

Type of Patent:实用新型

Application Number:201520625155.4

Number of Inventors:22

Service Invention or Not:no

Application Date:2015-08-18

Publication Date:2015-12-16

Authorization Date:2015-08-18