Seal assembly with inner and outer seal rings on legs,申请号GB20120011908-传众专利搜索

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发明名称	Seal assembly with inner and outer seal rings on legs
摘要
申请公布号	GB2492654(A)	申请公布日期	2013.01.09
申请号	GB20120011908	申请日期	2012.07.04
申请人	VETCO GRAY INC.	发明人	MICHAEL SHAW
分类号	E21B33/04;E21B33/03	主分类号	E21B33/04
代理机构		代理人
主权项
地址

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