DOWNHOLE VALVE DEVICE FOR FLUSHING OF TUBING TO REMOVE ASPHALT-RESIN-PARAFFIN ACCUMULATIONS,申请号RU19970107025-传众专利搜索

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发明名称	DOWNHOLE VALVE DEVICE FOR FLUSHING OF TUBING TO REMOVE ASPHALT-RESIN-PARAFFIN ACCUMULATIONS
摘要
申请公布号	RU2100572(C1)	申请公布日期	1997.12.27
申请号	RU19970107025	申请日期	1997.05.13
申请人	ZAKRYTOE AKTSIONERNOE OBSHCHESTVO "INTOJL";OTKRYTOE DOCHERNEE AKTSIONERNOE OBSHCHESTVO "PRIOBNEFT"	发明人	TAMASHEVSKIJ PETR M;LYUBIMOV NIKOLAJ F;CHUKCHEEV OLEG A;GULIN ANATOLIJ V;IVANOV VLADIMIR I;SHAKHVERDIEV AZIZAGA KH
分类号	E21B37/00;E21B34/06;(IPC1-7):E21B37/00	主分类号	E21B37/00
代理机构		代理人
主权项
地址

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