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发明名称
SHIELD FOR WORKING THICK SLOPING BEDS
摘要
申请公布号
SU750092(A1)
申请公布日期
1980.07.23
申请号
SU19782631232
申请日期
1978.06.20
申请人
KUZBASSKIJ POLT IINST GORNOGO DELA SO AN SSSR
发明人
ANUFRIEV VIKTOR E,SU;GRITSKO GENNADIJ ,SU;VYLEGZHANIN VYACHESLAV N,SU;PETROV ANATOLIJ ,SU
分类号
E21D19/02;E21D19/06;(IPC1-7):E21D19/02
主分类号
E21D19/02
代理机构
代理人
主权项
地址
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