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经营范围
发明名称
AXIAL BEARING OF HOLE-BOTTOM MOTOR
摘要
申请公布号
SU794131(A1)
申请公布日期
1981.01.07
申请号
SU19792730484
申请日期
1979.02.28
申请人
UFIMSKIJ NEFTYANOJ INSTITUT
发明人
POPOV ANATOLIJ N,SU;SULEJMANOV ASKHAT S,SU
分类号
E21B4/00;(IPC1-7):E21B4/00
主分类号
E21B4/00
代理机构
代理人
主权项
地址
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