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发明名称
METHOD OF SUPPORTING THE JUNCTION OF DRIFT WITH STOPING WORKINGS
摘要
申请公布号
SU1153074(A1)
申请公布日期
1985.04.30
申请号
SU19833619702
申请日期
1983.07.08
申请人
KIRPIKIN ANATOLIJ V,SU;CHEKUBASH ALEKSANDR D,SU
发明人
KIRPIKIN ANATOLIJ V,SU;CHEKUBASH ALEKSANDR D,SU
分类号
E21D11/36;(IPC1-7):E21D11/36
主分类号
E21D11/36
代理机构
代理人
主权项
地址
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