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经营范围
发明名称
DEVICE FOR IDENTIFYING THREADED CONNECTIONS IN PIPES
摘要
申请公布号
SU589379(A1)
申请公布日期
1978.01.25
申请号
SU19762392314
申请日期
1976.08.01
申请人
POLTAVSKOE OTDEL UK NI GEOLOGORAZVEDOCHNOGO INSTITUTA
发明人
PUSTOVOJTENKO IVAN P,SU;FISENKO GRIGORIJ A,SU;MOSKVITIN IVAN F,SU
分类号
E21B47/00;(IPC1-7):E21B47/00
主分类号
E21B47/00
代理机构
代理人
主权项
地址
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