DEEP-WELL TRANSMITTER OF TURBODRILL REVOLUTIONS AND BIT LOAD,申请号SU19742081845-传众专利搜索

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发明名称	DEEP-WELL TRANSMITTER OF TURBODRILL REVOLUTIONS AND BIT LOAD
摘要
申请公布号	SU607961(A1)	申请公布日期	1978.05.25
申请号	SU19742081845	申请日期	1974.12.09
申请人	VNII BUROVOJ TEKHNIKI	发明人	ALPEROVICH SAMUIL A,SU;VARLAMOV VLADIMIR P,SU;LEVITIN VIKTOR YU,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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