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经营范围
发明名称
ELECTRIC DRILLING PIPE
摘要
申请公布号
SU1712577(A1)
申请公布日期
1992.02.15
申请号
SU19894669707
申请日期
1989.02.07
申请人
DORODNOV IVAN P,SU;KAGARMANOV NURULLA F,SU;BOGDANOV ANATOLIJ S,SU;ABDURAKHMANOV MARAT T,SU;GALIKEEV ILGIZAR A,SU
发明人
DORODNOV IVAN P,SU;KAGARMANOV NURULLA F,SU;BOGDANOV ANATOLIJ S,SU;ABDURAKHMANOV MARAT T,SU;GALIKEEV ILGIZAR A,SU
分类号
E21B17/00
主分类号
E21B17/00
代理机构
代理人
主权项
地址
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