Metal-to-metal annulus seal arrangement,申请号AU20100273843-传众专利搜索

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发明名称	Metal-to-metal annulus seal arrangement
摘要
申请公布号	AU2010273843(A1)	申请公布日期	2012.01.19
申请号	AU20100273843	申请日期	2010.06.22
申请人	VETCO GRAY INC.	发明人	THOMSON, KENNETH D.
分类号	E21B17/04	主分类号	E21B17/04
代理机构		代理人
主权项
地址

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