APPARATUS FOR AND METHOD OF ASSEMBLING A ROTARY BLOWOUT PREVENTER,申请号EP19970951718-传众专利搜索

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发明名称	APPARATUS FOR AND METHOD OF ASSEMBLING A ROTARY BLOWOUT PREVENTER
摘要
申请公布号	EP0956426(A1)	申请公布日期	1999.11.17
申请号	EP19970951718	申请日期	1997.12.16
申请人	HYDRIL COMPANY	发明人	CARBAUGH, WILLIAM, L.;JOAN, SYLVESTER, A.
分类号	E21B33/08;(IPC1-7):E21B33/08	主分类号	E21B33/08
代理机构		代理人
主权项
地址

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