SEALING BETWEEN TWO CONCENTRIC MEMBERS,申请号GB19860015795-传众专利搜索

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发明名称	SEALING BETWEEN TWO CONCENTRIC MEMBERS
摘要
申请公布号	GB8615795(D0)	申请公布日期	1986.08.06
申请号	GB19860015795	申请日期	1986.06.27
申请人	NATIONAL SUPPLY CO (UK) LTD	发明人
分类号	E21B33/00;E21B33/04	主分类号	E21B33/00
代理机构		代理人
主权项
地址

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