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发明名称
APPARATUS FOR MONITORING REVOLUTIONS OF TURBODRILL SHAFT
摘要
申请公布号
SU1086135(A1)
申请公布日期
1984.04.15
申请号
SU19823488807
申请日期
1982.09.06
申请人
IVANO-FRANKOVSKIJ I NEFTI GAZA
发明人
YAREMIJCHUK ROMAN S,SU;NIKOLAJCHUK YAROSLAV N,SU;MAJDAN EVGENIJ P,SU;ISHCHERYAKOV SERGEJ M,SU
分类号
E21B45/00;(IPC1-7):E21B45/00
主分类号
E21B45/00
代理机构
代理人
主权项
地址
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