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发明名称
ARRANGEMENT FOR AIRING DEEP QUARRIES
摘要
申请公布号
SU819357(A1)
申请公布日期
1981.04.07
申请号
SU19792763158
申请日期
1979.05.08
申请人
KLUBNICHKIN EVGENIJ K,SU;ROGACH MIKHAIL S,SU;PAVLOV ALEKSANDR YU,SU;PROPLETIN ALEKSANDR M,SU;DEMIDOV YURIJ V,SU
发明人
KLUBNICHKIN EVGENIJ K,SU;ROGACH MIKHAIL S,SU;PAVLOV ALEKSANDR YU,SU;PROPLETIN ALEKSANDR M,SU;DEMIDOV YURIJ V,SU
分类号
E21F1/00;(IPC1-7):E21F1/00
主分类号
E21F1/00
代理机构
代理人
主权项
地址
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