Rock bit with hydraulics configuration,申请号GB20090016876-传众专利搜索

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法人/股东/高管

发明名称	Rock bit with hydraulics configuration
摘要
申请公布号	GB2461429(A)	申请公布日期	2010.01.06
申请号	GB20090016876	申请日期	2009.09.25
申请人	SMITH INTERNATIONAL, INC.	发明人	LUCA TEDESCHI;JAMES LARSEN;GARY PORTWOOD;RICCARDO GRONCHI
分类号	E21B10/18	主分类号	E21B10/18
代理机构		代理人
主权项
地址

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