Subsurface safety valve actuation pressure amplifier,申请号GB20000025242-传众专利搜索

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发明名称	Subsurface safety valve actuation pressure amplifier
摘要
申请公布号	GB2351775(B)	申请公布日期	2001.02.28
申请号	GB20000025242	申请日期	1997.08.07
申请人	* BAKER HUGHES INC	发明人	KURT A * HICKEY
分类号	E21B34/10;E21B34/16;F15B3/00;(IPC1-7):F15B3/00	主分类号	E21B34/10
代理机构		代理人
主权项
地址

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