Rotating control device apparatus and method,申请号GB20070021759-传众专利搜索

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发明名称	Rotating control device apparatus and method
摘要
申请公布号	GB0721759(D0)	申请公布日期	2007.12.19
申请号	GB20070021759	申请日期	2007.11.06
申请人	SMITH INTERNATIONAL INC	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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