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经营范围
发明名称
DRILLING MACHINE ROTATING MEMBER
摘要
申请公布号
SU588355(A1)
申请公布日期
1978.01.15
申请号
SU19731875614
申请日期
1973.01.25
申请人
U GEOLOGII SOVETA MINISTROV TURKMENSKOJ SSR
发明人
TANOV EVGENIJ ,SU;ISMAILOV ROBERT A,SU
分类号
E21B6/02;(IPC1-7):E21C1/12
主分类号
E21B6/02
代理机构
代理人
主权项
地址
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