ROHRSTRANGANORDNUNG FUER TIEFBOHRLOECHER,申请号DE19770014098U-传众专利搜索

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发明名称	ROHRSTRANGANORDNUNG FUER TIEFBOHRLOECHER
摘要
申请公布号	DE7714098(U1)	申请公布日期	1978.11.02
申请号	DE19770014098U	申请日期	1977.05.04
申请人	J.M. VOITH GMBH, 7920 HEIDENHEIM	发明人
分类号	E21B17/00;(IPC1-7):E21B17/00	主分类号	E21B17/00
代理机构		代理人
主权项
地址

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