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发明名称
APPARATUS FOR MONITORING EMERGENCIES WHILE DRILLING WELLS
摘要
申请公布号
SU1035204(A1)
申请公布日期
1983.08.15
申请号
SU19813287320
申请日期
1981.05.04
申请人
SVERDLOVSKIJ GORNYJ I IM.V.V.VAKHRUSHEVA
发明人
KALYGIN EVGENIJ V,SU;BAZHENOV OLEG YU,SU
分类号
E21B44/00;(IPC1-7):E21B44/00
主分类号
E21B44/00
代理机构
代理人
主权项
地址
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