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经营范围
发明名称
HOLE-BOTTOM MOTOR
摘要
申请公布号
SU968294(A1)
申请公布日期
1982.10.23
申请号
SU19813262683
申请日期
1981.03.20
申请人
ARTEMOVSKAYA GEOLOGORAZVEDOCHNAYA EKSPEDITSIYA DONBASSKOGO PROIZVODSTVENNOGO OBEDINENIYA "DONBASSUGOL" MINISTERSTVA GEOLOGII USSR
发明人
KABISHCHER GENNADIJ B,SU;KARPENKO VLADIMIR K,SU;POGORELOV VALERIJ P,SU
分类号
E21B4/02;(IPC1-7):E21B4/02
主分类号
E21B4/02
代理机构
代理人
主权项
地址
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