Adjustable expansion cone assembly,申请号GB20040026157-传众专利搜索

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发明名称	Adjustable expansion cone assembly
摘要
申请公布号	GB0426157(D0)	申请公布日期	2004.12.29
申请号	GB20040026157	申请日期	2002.08.13
申请人	ENVENTURE GLOBAL TECHNOLOGY	发明人
分类号	E21B23/00;E21B43/10	主分类号	E21B23/00
代理机构		代理人
主权项
地址

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