Language : English
周福宝

Patents

一种瓦斯抽放钻孔的二次封孔装置

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Affilication of Author(s):安全工程学院

Disigner of the Invention:张仁贵,昃玺,刘应科,姜铁明,王军

Note:张仁贵,昃玺,刘应科,姜铁明,王军

Type of Patent:国内

State of Patent:专利授权

Application Number:200810023608.0

Authorization number:CN 101251029B

Number of Inventors:6

Service Invention or Not:no

Application Date:2008-04-10

Authorization Date:2010-06-02

First Author:周福宝