Fremgangsmåte og anordning for boring av et hull i fjell,申请号NO19890002250-传众专利搜索

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发明名称	Fremgangsmåte og anordning for boring av et hull i fjell
摘要
申请公布号	NO174479(C)	申请公布日期	1994.05.11
申请号	NO19890002250	申请日期	1989.06.02
申请人	TAMPELLA AB, OY	发明人	STROM, ROLF;NURMI, VEIJO;WISAKANTO, RISTO
分类号	E21B19/24;E21B15/04;E21B44/00;(IPC1-7):E21C11/00	主分类号	E21B19/24
代理机构		代理人
主权项
地址

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