Language : English
王旭锋

Patents

一种基于超声波振动预先掏槽的巷道掘进高效破岩方法

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Affilication of Author(s):矿业工程学院

Scope of patent:国内

School Sign:第一单位

Disigner of the Invention:常泽超,zhangdongsheng,李翔宇,王聪,王纪尧

Type of Patent:国内

State of Patent:专利授权

Application Number:202011573368.9

Service Invention or Not:no

Application Date:2020-12-28

Authorization Date:2022-08-12

First Author:wangxufeng