Ventiler for bruk i bronner,申请号NO20010003745-传众专利搜索

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发明名称	Ventiler for bruk i bronner
摘要
申请公布号	NO317388(B1)	申请公布日期	2004.10.18
申请号	NO20010003745	申请日期	2001.07.31
申请人	SCHLUMBERGER TECHNOLOGY CORP	发明人	MALONE DAVID L
分类号	E21B21/10;E21B34/06;E21B34/10;(IPC1-7):E21B34/06	主分类号	E21B21/10
代理机构		代理人
主权项
地址

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