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发明名称
APPARATUS FOR SUPPORTING THE ROOF OF MINE WORKINGS
摘要
申请公布号
SU1059200(A1)
申请公布日期
1983.12.07
申请号
SU19813365095
申请日期
1981.12.17
申请人
INST GORNOGO DELA SO AN SSSR;SHAKHTA KARAGAJLINSKAYA PROIZVODSTVENNOGO OBEDINENIYA PO DOBYCHE UGLYA "PROKOPEVSKUGOL"
发明人
GORBUNOV VALERIJ F,SU;OSKIN VIKTOR A,SU;ELLER ALEKSANDR F,SU;NAGORNYJ VLADIMIR D,SU
分类号
E21D13/04;(IPC1-7):E21D13/04
主分类号
E21D13/04
代理机构
代理人
主权项
地址
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