Wang Xiaozhen

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GROUND DOUBLE-HOLE COMBINED WATER INRUSH PREVENTION METHOD FOR OVERLYING STRATA MOVEMENT MONITORING AND BED SEPARATION WATER DRAINAGE
Release time:2023-09-29  Hits:

School Sign:第一单位
Disigner of the Invention:xiejianlin,zhuweibing,xujialin,于思源
Type of Patent:国内
State of Patent:专利授权
Application Number:US 11,732,548 B2
Service Invention or Not:no
Application Date:2022-04-08
Publication Date:2023-03-09
Authorization Date:2023-08-22
First Author:Wang Xiaozhen

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