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刘春

Patents

一种机械造穴煤层增透用液压扩孔钻具及其扩孔方法

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

Scope of patent:国内

School Sign:第一单位

Disigner of the Invention:周福宝,王兴军,王海荣,边平,孔祥毅

Type of Patent:国内

State of Patent:专利授权

Application Number:202010363648.0

Service Invention or Not:no

Application Date:2020-04-30

Authorization Date:2021-04-02

First Author:liuchun