DEVICE FOR PLACING CEMENT BRIDGING PLUGS IN WELLS,申请号SU19914942889-传众专利搜索

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发明名称	DEVICE FOR PLACING CEMENT BRIDGING PLUGS IN WELLS
摘要
申请公布号	RU1802090(C)	申请公布日期	1993.03.15
申请号	SU19914942889	申请日期	1991.06.05
申请人	TSNI LABORATORIYA PROIZVODSTVENNOGO OBEDINENIYA "UKRNEFT"	发明人	SHUMEGA STEPAN V,SU
分类号	E21B33/14;E21B33/134	主分类号	E21B33/14
代理机构		代理人
主权项
地址

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