一种急倾斜工作面人行道挡矸装置

Release time:2020-10-30 Hits:

Disigner of the Invention:tushihao,屠洪盛,白庆升,杨冠宇,wangfangtian,王沉

Type of Patent:国际

State of Patent:专利授权

Application Number:201320100738.6

Number of Inventors:7

Service Invention or Not:no

Application Date:2013-03-06

Authorization Date:2013-08-14

First Author:Yuan Yong