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发明名称
METHOD OF MINING COAL BEDS
摘要
申请公布号
SU652327(A1)
申请公布日期
1979.03.15
申请号
SU19772560791
申请日期
1977.12.23
申请人
KUZBASSKIJ POLT INSTITUT
发明人
ANUFRIEV VIKTOR E,SU;VYLEGZHANIN VYACHESLAV N,SU;GRITSKO GENNADIJ ,SU;BATUGIN SERGEJ A,SU;FROLOV BORIS 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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