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发明名称
METHOD OF HYDRAULIC MINING AND RELEVANT DEVICE
摘要
申请公布号
SU1710758(A1)
申请公布日期
1992.02.07
申请号
SU19904835073
申请日期
1990.04.20
申请人
SP K BYURO PROIZVODSTVENNOGO OBEDINENIYA "DALMORGEOLOGIYA"
发明人
CHERNEJ EDUARD I,SU;GRANOVSKIJ ALEKSANDR G,SU;MARKOV ALEKSANDR E,SU;MARKOV EVGENIJ E,SU;CHERNEJ OLEG E,SU;KHERSHBERG BORIS L,SU
分类号
E21C45/00
主分类号
E21C45/00
代理机构
代理人
主权项
地址
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