FREMGANGSMAATE VED FJELLBORING,申请号NO19930001180-传众专利搜索

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发明名称	FREMGANGSMAATE VED FJELLBORING
摘要
申请公布号	NO931180(A)	申请公布日期	1993.05.21
申请号	NO19930001180	申请日期	1993.03.29
申请人	TAMROCK OY	发明人	RINNEMAA HEIKKI
分类号	E21B7/02;E21B15/00;E21B15/04;E21B19/08;E21B44/00;(IPC1-7):E21C5/00	主分类号	E21B7/02
代理机构		代理人
主权项
地址

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