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发明名称
METHOD OF DETERMINING THE RANGE OF STICKING OF DRILL PIPES IN A BOREHOLE
摘要
申请公布号
SU909112(A1)
申请公布日期
1982.02.28
申请号
SU19802960822
申请日期
1980.07.14
申请人
KALININSKOE OTDEL VNI PK I GEOFIZICHESKIKH ISSLEDOVANIJ GEOLOGORAZVEDOCHNYKH SKVAZHIN
发明人
NECHAEV BORIS L,SU;VALYAEV VLADISLAV A,SU;PYATETSKIJ EFIM M,SU
分类号
E21B23/00;E21B47/092;(IPC1-7):E21B23/00
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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