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发明名称
METHOD OF BOREHOLE PRODUCTION OF MINERALS FROM THICK FORMATIONS
摘要
申请公布号
SU1671861(A1)
申请公布日期
1991.08.23
申请号
SU19894733601
申请日期
1989.09.01
申请人
DALNEVOSTOCHNYJ POLT I IM.V.V.KUJBYSHEVA
发明人
ZVONAREV MIKHAIL I,SU;NISKOVSKIJ YURIJ N,SU;NIKOLAJCHUK NIKOLAJ A,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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