BIDIRECTIONAL RAM BOP AND METHOD,申请号CA20092686573-传众专利搜索

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发明名称	BIDIRECTIONAL RAM BOP AND METHOD
摘要
申请公布号	CA2686573(A1)	申请公布日期	2010.06.18
申请号	CA20092686573	申请日期	2009.12.03
申请人	HYDRIL USA MANUFACTURING LLC	发明人	CARBAUGH, WILLIAM L.;MEI, ERIC;CHILDERS, LEONARD G.
分类号	E21B33/06	主分类号	E21B33/06
代理机构		代理人
主权项
地址

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