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一种露天端帮压煤充填开采系统
Release time:2020-10-30 Hits:School Sign:第一单位
Disigner of the Invention:zhangjixiong,孟国豪,李猛,zhangweiqing
Type of Patent:国内
State of Patent:专利授权
Application Number:201910246912.X
Number of Inventors:5
Service Invention or Not:no
Application Date:2019-03-29
Authorization Date:2020-04-14
First Author:Zhou Nan
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