Language : English
程健维

Patents

一种通过辅助钻孔提高抽采钻孔瓦斯抽采浓度的方法

Hits:

Affilication of Author(s):安全工程学院

Scope of patent:国内

Disigner of the Invention:施宇,郝明跃,王文滨,张加齐,赵刚,祁畅,张兆龙

Type of Patent:国内

State of Patent:专利授权

Application Number:201811501343.0

Number of Inventors:8

Service Invention or Not:no

Application Date:2018-12-10

Authorization Date:2021-05-14

First Author:chengjianwei