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一种可复用式的瓦斯钻孔两堵一注一体式坐封封隔器

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Affilication of Author(s):安全工程学院

Scope of patent:国内

School Sign:第一单位

Disigner of the Invention:张蕊,王最,宋宛亭,王钰,吴宇辰,吴雨航,梅境,田松杰,罗望,关品品,郑欣睿

Type of Patent:国内

State of Patent:专利授权

Application Number:202011319178.4

Service Invention or Not:no

Application Date:2020-11-23

Authorization Date:2021-09-21

First Author:chengjianwei