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发明名称
Аппарат для ориентирования трубобура с отклонителем в скважине
摘要
申请公布号
SU105319(A1)
申请公布日期
1956.11.30
申请号
SU19540454190
申请日期
1954.11.24
申请人
LOSHKAREV K.I.;MYANIKOKS A.A.
发明人
LOSHKAREV K.I.;MYANIKOKS A.A.
分类号
E21B47/022;E21B7/04
主分类号
E21B47/022
代理机构
代理人
主权项
地址
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