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发明名称
METHOD OF DRIVING MINE WORKINGS IN DRIFT SAND
摘要
申请公布号
SU729358(A1)
申请公布日期
1980.04.25
申请号
SU19782665085
申请日期
1978.09.21
申请人
INST PROBLEM GLUBINNYKH NEFTEGAZOVYKH MESTOROZHDENIJ AN AZERB SSR
发明人
ABASOV MITAT T,SU;ABDULRAGIMOV ALIOVSAD ,SU;BABAEV VILEN D,SU;VLASOV SERGEJ N,SU;LISTENGARTEN LEONID B,SU;PIRVERDYAN ALEKSANDR M,SU
分类号
E21D9/00;E21D9/04;(IPC1-7):E21D9/00
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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