MACCHINA PER TRIVELLAZIONE ED APPARECCHIO PER LA SUA ATTUA ZIONE,申请号IT19730053688-传众专利搜索

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发明名称	MACCHINA PER TRIVELLAZIONE ED APPARECCHIO PER LA SUA ATTUA ZIONE
摘要
申请公布号	IT1016023(B)	申请公布日期	1977.05.30
申请号	IT19730053688	申请日期	1973.11.14
申请人	GEBR BOHLER U CO AG	发明人
分类号	E21B7/02;E21B7/04;E21B7/28;E21B10/40;F26B11/04;(IPC1-7):E21D/	主分类号	E21B7/02
代理机构		代理人
主权项
地址

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