地面钻孔实现水害防治和地表沉降控制的一孔多用方法

Release time:2020-10-30 Hits:

Disigner of the Invention:Wanghua Sui

Type of Patent:国内

State of Patent:专利授权

Application Number:201810833823.0

Number of Inventors:2

Service Invention or Not:no

Application Date:2018-07-26

Authorization Date:2019-07-05

First Author:马荷雯