DEVICE FOR STAGE CEMENTING OF WELLS,申请号SU19894692964-传众专利搜索

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发明名称	DEVICE FOR STAGE CEMENTING OF WELLS
摘要
申请公布号	SU1707187(A1)	申请公布日期	1992.01.23
申请号	SU19894692964	申请日期	1989.05.17
申请人	VNII BUROVOJ TEKHNIKI	发明人	VANIFATEV VLADIMIR I,SU;TSYRIN YURIJ Z,SU;SILUYANOV SERGEJ N,SU;KAZAROV GENNADIJ K,SU;VATSIK BOGDAN A,SU;DOMALCHUK ANATOLIJ A,SU
分类号	E21B33/14	主分类号	E21B33/14
代理机构		代理人
主权项
地址

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