Language : English
王旭锋

Patents

一种可调频的超声波共振凿岩机及使用方法

Hits:

Affilication of Author(s):矿业工程学院

Disigner of the Invention:亓祥巍,zhangdongsheng,管伟明,zhangwei

Type of Patent:国内

State of Patent:专利授权

Application Number:201410211376.7

Number of Inventors:5

Service Invention or Not:no

Application Date:2014-05-19

Authorization Date:2016-05-04

First Author:wangxufeng