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周福宝

Patents

一种诱导抽采后期钻孔孔内瓦斯燃爆煤层增透的抽采方法

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Affilication of Author(s):安全工程学院

Disigner of the Invention:刘春,满忠毅

Type of Patent:国内

State of Patent:专利授权

Application Number:201610251238.0

Number of Inventors:3

Service Invention or Not:no

Application Date:2016-04-21

Authorization Date:2017-12-15

First Author:周福宝