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发明名称
BOREHOLE MOUTH PACKER
摘要
申请公布号
SU724775(A1)
申请公布日期
1980.03.30
申请号
SU19782607861
申请日期
1978.04.19
申请人
MO GEOLOGORAZVEDOCHNYJ I IM. S.ORDZHONIKIDZE
发明人
SAENKO VIKTOR F,SU;ABDULMANOV ILSHAT G,SU;LOBANOV PETR D,SU;SOKOREV ANATOLIJ V,SU
分类号
E21F5/02;E21B33/12;(IPC1-7):E21F5/02
主分类号
E21F5/02
代理机构
代理人
主权项
地址
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