,申请号DE19752539149-传众专利搜索

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发明名称
摘要
申请公布号	DE2539149(C3)	申请公布日期	1979.10.31
申请号	DE19752539149	申请日期	1975.09.03
申请人	RUHRKOHLE AG, 4300 ESSEN	发明人	LINDE, FRIEDRICH CARL, DR.-ING., 4660 GELSENKIRCHEN-BUER
分类号	E21D23/04;E21F15/08;(IPC1-7):E21F15/04	主分类号	E21D23/04
代理机构		代理人
主权项
地址

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