Removable non metallic bridge plug or packer,申请号GB20020023932-传众专利搜索

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发明名称	Removable non metallic bridge plug or packer
摘要
申请公布号	GB0223932(D0)	申请公布日期	2002.11.20
申请号	GB20020023932	申请日期	1999.05.05
申请人	BAKER HUGHES INCORPORATED	发明人
分类号	E21B33/12;E21B33/129	主分类号	E21B33/12
代理机构		代理人
主权项
地址

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