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煤炭开采中固体充填充实率设计及控制方法

Release time:2024-05-28 Hits:

Disigner of the Invention:zhangqiang,zhangjixiong,闫浩,huangyanli,殷伟
Type of Patent:国内
State of Patent:专利授权
Application Number:201410139092.1
Number of Inventors:6
Service Invention or Not:no
Application Date:2014-04-08
Authorization Date:2016-08-17
First Author:ZQ