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发明名称
DEVICE FOR HANDLING DRILL PIPES
摘要
申请公布号
RU1819976(C)
申请公布日期
1993.06.07
申请号
SU19894745487
申请日期
1989.10.03
申请人
VSESOYUZNYJ NAUCHNO-ISSLEDOVATELSKIJ I PROEKTNO-KONSTRUKTORSKIJ INSTITUT NEFTYANOGO MASHINOSTROENIYA
发明人
DEMIN ALEKSANDR V;TSAREGRADSKIJ YURIJ P;NOVIKOVA GALINA V;VALDMAN ISAAK YA;ISKANDAROV RAIS N;KATYGIN ALEKSANDR B
分类号
E21B19/15;(IPC1-7):E21B19/15
主分类号
E21B19/15
代理机构
代理人
主权项
地址
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