VERSIONS OF HOLE-BOTTOM SCREW-TYPE MOTOR,申请号SU19833568857-传众专利搜索

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发明名称	VERSIONS OF HOLE-BOTTOM SCREW-TYPE MOTOR
摘要
申请公布号	SU1430491(A1)	申请公布日期	1988.10.15
申请号	SU19833568857	申请日期	1983.03.25
申请人	VNII BUROVOJ TEKHNIKI	发明人	BALDENKO DMITRIJ F,SU;KONDRATENKO LEONID A,SU;SEMENETS VALERIJ I,SU
分类号	E21B4/02	主分类号	E21B4/02
代理机构		代理人
主权项
地址

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