Type of Patent:Invent
State of Patent:Authorized patents
Authorization number:ZL202010142930.6
Service Invention or Not:no
First Author:王亚军, 王浩森, 王琦, 等
Pre One:一种顶板稳定性控制方法
Next One:无煤柱留设无巷道掘进矿井设计方法
Email:153c9293090403b149d68fc689fd860c7f165531594e653a97de51f424cf452967679a8d6350a2c7c5af6fb2f9cf66108ea240f787477726f021ccc786cce12ffff170f38950d13af9fcaf94c6da3f9634f1dcbe5eac546cffc32247232200d137ef0112c8dbcb70029dd877449b39a4cd49dccd455966fded099473f409bfd5
The Latest Update Time:..