Method and device for pressure controlled sequential operation,申请号GB20030028589-传众专利搜索

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发明名称	Method and device for pressure controlled sequential operation
摘要
申请公布号	GB2396662(A)	申请公布日期	2004.06.30
申请号	GB20030028589	申请日期	2003.12.10
申请人	* BAKKE OIL TOOLS A/S	发明人	FRANK * AKSELBERG
分类号	E21B23/04;E21B34/10;(IPC1-7):E21B34/08	主分类号	E21B23/04
代理机构		代理人
主权项
地址

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