Anti-mud packing seal gland,申请号GB20030015215-传众专利搜索

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发明名称	Anti-mud packing seal gland
摘要
申请公布号	GB2390381(B)	申请公布日期	2005.12.07
申请号	GB20030015215	申请日期	2003.06.30
申请人	* BAKER HUGHES INCORPORATED	发明人	DON QUY * NGUYEN
分类号	E21B10/22;E21B10/25;(IPC1-7):E21B10/22	主分类号	E21B10/22
代理机构		代理人
主权项
地址

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