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经营范围
发明名称
METHOD OF WORKING INCLINED AND SLOPING COAL BEDS
摘要
申请公布号
SU881321(A1)
申请公布日期
1981.11.15
申请号
SU19802862542
申请日期
1980.01.03
申请人
VNI PK I DOBYCHI UGLYA GIDRAVLICHESKIM SPOSOBOM
发明人
SEMENIKHIN ANATOLIJ YA,SU;PAKHTUSOV YURIJ G,SU;KRYLOV VLADIMIR S,SU;MANZHELEVSKIJ GENNADIJ V,SU;PAKHTUSOV GAVRIIL 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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