Bi-directional metal-to-metal seal,申请号AU20110204819-传众专利搜索

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发明名称	Bi-directional metal-to-metal seal
摘要
申请公布号	AU2011204819(A1)	申请公布日期	2012.02.16
申请号	AU20110204819	申请日期	2011.07.18
申请人	VETCO GRAY INC.	发明人	GETTE, NICHOLAS PETER
分类号	E21B33/03	主分类号	E21B33/03
代理机构		代理人
主权项
地址

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