FERROPROBE AZIMUTH TRANSMITTER,申请号SU19874213474-传众专利搜索

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发明名称	FERROPROBE AZIMUTH TRANSMITTER
摘要
申请公布号	SU1446287(A1)	申请公布日期	1988.12.23
申请号	SU19874213474	申请日期	1987.03.19
申请人	DN INZH-STR INSTITUT	发明人	KOVSHOV GENADIJ N,SU;KOCHEMASOV YURIJ N,SU;SHEJKO ANDREJ A,SU
分类号	E21B47/02;(IPC1-7):E21B47/02	主分类号	E21B47/02
代理机构		代理人
主权项
地址

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