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刘春

Patents

一种瓦斯抽采钻孔密封性检测装置及检测方法

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Affilication of Author(s):物联网(感知矿山)研究中心

Disigner of the Invention:张浩峰,丁前程,薛劲

Type of Patent:国内

State of Patent:专利授权

Application Number:201710385770.6

Number of Inventors:4

Service Invention or Not:no

Application Date:2017-05-26

Authorization Date:2019-07-26

First Author:liuchun