Nedihulls traktor med forbedret ventilsystem,申请号NO20030002462-传众专利搜索

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发明名称	Nedihulls traktor med forbedret ventilsystem
摘要
申请公布号	NO20032462(D0)	申请公布日期	2003.05.30
申请号	NO20030002462	申请日期	2003.05.30
申请人	WESTERN WELL TOOL INC	发明人	BLOOM, DUANE;MOORE, NORMAN BRUCE;LEVAY, ROBERT
分类号	E21B4/18;E21B23/00;E21B23/04;(IPC1-7):E21B	主分类号	E21B4/18
代理机构		代理人
主权项
地址

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