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发明名称
METHOD OF OPEN-MINE EXCAVATION OF MINERAL DEPOSITS
摘要
申请公布号
SU684140(A1)
申请公布日期
1979.09.05
申请号
SU19772562791
申请日期
1977.12.30
申请人
SIMFEROPOLSKIJ UK N-PROIZV PT K OBEDINENIYA "UKRNISTROMPROEKT"
发明人
USTINOV YURIJ P,SU;VERESOV EVGENIJ ,SU;NIKITIN VYACHESLAV T,SU
分类号
(IPC1-7):E21C41/02
主分类号
(IPC1-7):E21C41/02
代理机构
代理人
主权项
地址
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