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发明名称
METHOD OF ERECTING A STRIP OF HARDENING MATERIALS FOR MINE WORKING PROTECTION
摘要
申请公布号
SU1460343(A1)
申请公布日期
1989.02.23
申请号
SU19874224641
申请日期
1987.01.07
申请人
VNI PK UGOLNYJ I "KNIUI"
发明人
MUKUSHEV MAJZHAN M,SU;SAMUSEV VLADIMIR F,SU;NIKOLAEV ALEKSANDR S,SU;YALYMOV MAGSUD R,SU;POPOV YURIJ G,SU
分类号
E21F11/00
主分类号
E21F11/00
代理机构
代理人
主权项
地址
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