Affilication of Author(s):矿业工程学院
Disigner of the Invention:冉智,张农
Type of Patent:国内
State of Patent:专利授权
Application Number:201811563444.0
Number of Inventors:3
Service Invention or Not:no
Application Date:2018-12-20
Authorization Date:2019-11-12
First Author:hanchangliang