Pressed coal filling mining system and process for end slope of open pit

Release time:2023-09-01 Hits:

School Sign:第一单位

Disigner of the Invention:zhangjixiong,sunqiang,limeng,刘恒凤

Type of Patent:国内

State of Patent:专利授权

Application Number:2019439785

Service Invention or Not:no

Application Date:2019-10-08

Authorization Date:2022-01-06

First Author:Zhou Nan