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发明名称
ARRANGEMENT FOR PREVENTING RUBBING WEAR OF PUMPING PIPES
摘要
申请公布号
SU1373787(A1)
申请公布日期
1988.02.15
申请号
SU19864095893
申请日期
1986.07.16
申请人
IVANO-FRANKOVSKIJ I NEFTI GAZA
发明人
TARABARINOV PETR V,SU;EVCHUK LYUBOMIR V,SU;TARAEVSKIJ STEPAN I,SU;LEZOV GEORGIJ O,SU
分类号
E21B17/10
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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