Language : English
周福宝

Patents

一种定点密封瓦斯抽采钻孔的方法

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Affilication of Author(s):安全工程学院

Disigner of the Invention:胡东亮,刘应科,张云峰,胡胜勇

Note:胡东亮,刘应科,张云峰,胡胜勇

Type of Patent:国内

State of Patent:专利授权

Application Number:201010174725.4

Number of Inventors:5

Service Invention or Not:no

Application Date:2010-05-08

Authorization Date:2013-06-05

First Author:周福宝