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发明名称
METHOD OF PROVIDING ARTIFICIAL MINE ROOF
摘要
申请公布号
SU894195(A1)
申请公布日期
1981.12.30
申请号
SU19802905092
申请日期
1980.04.04
申请人
VNI PK UGOLNYJ INSTITUT
发明人
BAKIROV TYNCHIBEK B,SU;VOROBEV EVGENIJ V,SU;GEFENIDER EDUARD A,SU;DAVIDENKO VLADISLAV P,SU;ZEJFERT VLADIMIR P,SU;KURENSKOV BORIS F,SU;LELEKO ANATOLIJ I,SU;MUKUSHEV MAJZHAN M,SU;NUGAEV VASILIJ K,SU;KHUDIN YURIJ L,SU
分类号
(IPC1-7):E21C41/04
主分类号
(IPC1-7):E21C41/04
代理机构
代理人
主权项
地址
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