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发明名称
METHOD FOR PRELIMINARY DRAINING OF DEPOSIT
摘要
申请公布号
RU2027022(C1)
申请公布日期
1995.01.20
申请号
SU19925033053
申请日期
1992.03.04
申请人
BATUGIN ANDRIAN SERGEEVICH
发明人
PETUKHOV IGNATIJ M;BATUGINA IDA M;BATUGIN ANDRIAN S;PETUKHOV SERGEJ I
分类号
E21F16/00;(IPC1-7):E21F16/00
主分类号
E21F16/00
代理机构
代理人
主权项
地址
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