Solid rubber packer for a rotating control device,申请号GB20100016086-传众专利搜索

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发明名称	Solid rubber packer for a rotating control device
摘要
申请公布号	GB201016086(D0)	申请公布日期	2010.11.10
申请号	GB20100016086	申请日期	2006.05.05
申请人	WEATHERFORD/LAMB INC.	发明人
分类号	E21B33/08	主分类号	E21B33/08
代理机构		代理人
主权项
地址

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