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发明名称
METHOD OF MINING SLOPING AND GENTLY SLOPING COAL SEAMS
摘要
申请公布号
SU785491(A1)
申请公布日期
1980.12.07
申请号
SU19792717025
申请日期
1979.01.24
申请人
KUZBASSKIJ POLT INSTITUT
发明人
ANUFRIEV VIKTOR E,SU;RYZHKOV YURIJ A,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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