Chaolin Zhang

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一种井下新施工水文钻孔防套管断裂方法
Release time:2023-09-01  Hits:

Affilication of Author(s):安全工程学院
Scope of patent:国内
School Sign:第一单位
Disigner of the Invention:shenrongxi,wangenyuan,fengxiaojun,Li Zhonghui
Type of Patent:国内
State of Patent:专利授权
Application Number:201910590245.7
Number of Inventors:5
Service Invention or Not:no
Application Date:2019-07-02
Authorization Date:2020-09-01
First Author:Chaolin Zhang