A device for a power tong,申请号GB20100006179-传众专利搜索

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发明名称	A device for a power tong
摘要
申请公布号	GB2466164(A)	申请公布日期	2010.06.16
申请号	GB20100006179	申请日期	2008.10.30
申请人	NATIONAL OILWELL VARCO NORWAY AS	发明人	JONATHAN GARRICK WEBB
分类号	E21B19/16	主分类号	E21B19/16
代理机构		代理人
主权项
地址

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