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发明名称
HYDRAULIC DOWNHOLE MOTOR
摘要
申请公布号
SU1756525(A1)
申请公布日期
1992.08.23
申请号
SU19904827130
申请日期
1990.05.21
申请人
VNII BUROVOJ TEKHNIKI
发明人
BUDYANSKIJ VIGDOR S,SU;BRUDNYJ-CHELYADINOV SERGEJ YU,SU;KONSTANTINOV IGOR L,SU;KREKIN MIKHAIL V,SU;SVIRINA VALENTINA V,SU
分类号
E21B4/02
主分类号
E21B4/02
代理机构
代理人
主权项
地址
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