CIRCULATION MANIFOLD FOR GRAVEL FILTER CONSTRUCTION,申请号SU19864266488-传众专利搜索

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发明名称	CIRCULATION MANIFOLD FOR GRAVEL FILTER CONSTRUCTION
摘要
申请公布号	SU1497375(A1)	申请公布日期	1989.07.30
申请号	SU19864266488	申请日期	1986.06.22
申请人	VNII GIDROGEOLOGII INZHENERNOJ GEOLOGII	发明人	BASHKATOV ALEKSEJ D,SU;OZHERELEV PETR E,SU;BARSKIJ ALEKSANDR M,SU;ALBOROV ANATOLIJ I,SU;TARABUKIN VALERIJ I,SU
分类号	E21B43/04	主分类号	E21B43/04
代理机构		代理人
主权项
地址

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