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周福宝

Patents

一种提高瓦斯抽放泵运行效率的闭式循环系统

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Affilication of Author(s):安全工程学院

Disigner of the Invention:Zhang Yifan,宋小林

Type of Patent:国内

State of Patent:专利授权

Application Number:201710554532.3

Number of Inventors:3

Service Invention or Not:no

Application Date:2017-07-10

Authorization Date:2019-04-23

First Author:周福宝