METHOD OF STEPWISE CEMENTING OF WELLS,申请号SU19792740358-传众专利搜索

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发明名称	METHOD OF STEPWISE CEMENTING OF WELLS
摘要
申请公布号	SU829876(A1)	申请公布日期	1981.05.15
申请号	SU19792740358	申请日期	1979.03.23
申请人	VNII BUROVOJ TEKHNIKI	发明人	TSYBIN ANATOLIJ A,SU;GAJVORONSKIJ ALBERT A,SU;VANIFATEV VLADIMIR I,SU;SHENBERGER VLADIMIR I,SU;KRASNOV BORIS I,SU
分类号	E21B33/134;E21B33/14;(IPC1-7):E21B33/14	主分类号	E21B33/134
代理机构		代理人
主权项
地址

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