ARRANGEMENT FOR THE REMOTE CONTROL OF THE OPERATION OF A HYDRAULICALLY ACTUATED VALVE AND A WELL HEAD FOR AN OIL FIELD,申请号GB19930004108-传众专利搜索

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发明名称	ARRANGEMENT FOR THE REMOTE CONTROL OF THE OPERATION OF A HYDRAULICALLY ACTUATED VALVE AND A WELL HEAD FOR AN OIL FIELD
摘要
申请公布号	GB9304108(D0)	申请公布日期	1993.04.14
申请号	GB19930004108	申请日期	1993.03.01
申请人	SOCIETE ECA	发明人
分类号	E21B33/035;E21B34/04	主分类号	E21B33/035
代理机构		代理人
主权项
地址

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