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发明名称
Прибор для определения пространственного положения ствола обсаженной скважины
摘要
申请公布号
SU138547(A1)
申请公布日期
1960.11.30
申请号
SU19590634158
申请日期
1959.07.17
申请人
发明人
GRIGORYAN YA.N.
分类号
E21B47/022;G01B11/26
主分类号
E21B47/022
代理机构
代理人
主权项
地址
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