FREMGANGSMAADE TIL SELEKTIV UNDERJORDISK BRYDNING OG STABILISERING AF BJERGRUM,申请号DK19800001383-传众专利搜索

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发明名称	FREMGANGSMAADE TIL SELEKTIV UNDERJORDISK BRYDNING OG STABILISERING AF BJERGRUM
摘要
申请公布号	DK138380(A)	申请公布日期	1980.03.31
申请号	DK19800001383	申请日期	1980.03.31
申请人	GRAENGES AB;NOREN T	发明人	HOBERSTORFER G;NOREN T
分类号	E21C41/00;E21C41/16;E21D9/00;E21F15/00;(IPC1-7):E21F/	主分类号	E21C41/00
代理机构		代理人
主权项
地址

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