WELL BORE PACKER OR BRIDGE PLUG AND ANCHOR MEANS THEREFOR,申请号GB19690025777-传众专利搜索

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发明名称	WELL BORE PACKER OR BRIDGE PLUG AND ANCHOR MEANS THEREFOR
摘要
申请公布号	GB1253626(A)	申请公布日期	1971.11.17
申请号	GB19690025777	申请日期	1969.05.20
申请人	BYRON JACKSON INC.	发明人
分类号	E21B33/126	主分类号	E21B33/126
代理机构		代理人
主权项
地址

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