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一种瓦斯抽采钻孔非凝固恒压浆液封孔方法

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Affilication of Author(s):安全工程学院

Disigner of the Invention:李思远,刘方远,刘凯,彭敏,白子明,戚凯旋,刘通

Type of Patent:国内

State of Patent:专利授权

Application Number:201510515514.5

Number of Inventors:8

Service Invention or Not:no

Application Date:2015-08-20

Authorization Date:2018-05-08

First Author:chengjianwei