Method of regulating the feed force of a drilling device,申请号GB20020022832-传众专利搜索

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发明名称	Method of regulating the feed force of a drilling device
摘要
申请公布号	GB0222832(D0)	申请公布日期	2002.11.06
申请号	GB20020022832	申请日期	2002.10.03
申请人	TRACTO-TECHNIK GMBH	发明人
分类号	E21B7/06;E21B44/06	主分类号	E21B7/06
代理机构		代理人
主权项
地址

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