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发明名称
PACKER
摘要
申请公布号
RU2079635(C1)
申请公布日期
1997.05.20
申请号
RU19940032786
申请日期
1994.09.08
申请人
INSTITUT GORNOGO DELA SO RAN
发明人
KYU NIKOLAJ G;USKOV VLADIMIR A;FREJDIN ANATOLIJ M;CHERNOV OLEG I
分类号
E21B33/12;(IPC1-7):E21B33/12
主分类号
E21B33/12
代理机构
代理人
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