Tophole drill apparatus,申请号EP19970102777-传众专利搜索

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发明名称	Tophole drill apparatus
摘要
申请公布号	EP0791661(A3)	申请公布日期	1997.12.10
申请号	EP19970102777	申请日期	1997.02.20
申请人	PAUL WURTH S.A.	发明人	LONARDI, EMILE
分类号	C21B7/12;(IPC1-7):C21B7/12	主分类号	C21B7/12
代理机构		代理人
主权项
地址

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