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发明名称
METHOD FOR OBTAINING WORKING CHARACTERISTICS OF HYDRAULIC DOWNHOLE MOTORS
摘要
申请公布号
SU1656111(A1)
申请公布日期
1991.06.15
申请号
SU19884611604
申请日期
1988.09.19
申请人
UFIMSKIJ NEFTYANOJ INSTITUT
发明人
SYROMYATNIKOV ANATOLIJ N,SU;KRYUCHKOV YURIJ V,SU;RAMAZANOV GABIBYAN S,SU;ATYUSHEV VLADIMIR M,SU
分类号
E21B4/00
主分类号
E21B4/00
代理机构
代理人
主权项
地址
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