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发明名称
MACHINE FOR HYDRAULIC RECOVERY THROUGH BOREHOLES
摘要
申请公布号
SU682650(A1)
申请公布日期
1979.08.30
申请号
SU19772455818
申请日期
1977.02.22
申请人
MO GEOLOGORAZVEDOCHNYJ I IM.SERGO ORDZHONIKIDZE
发明人
CHERNEJ EDUARD ,SU;BABICHEV NIKOLAJ ,SU;KROJTOR RATU V,SU;ARBATSKIJ MIKHAIL V,SU
分类号
E21C45/00;(IPC1-7):E21C45/00
主分类号
E21C45/00
代理机构
代理人
主权项
地址
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