VORRICHTUNG ZUR FRUEHERKENNUNG DER GEBIRGSSCHLAGGEFAHR,申请号DE19790030504U-传众专利搜索

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发明名称	VORRICHTUNG ZUR FRUEHERKENNUNG DER GEBIRGSSCHLAGGEFAHR
摘要
申请公布号	DE7930504(U1)	申请公布日期	1980.04.10
申请号	DE19790030504U	申请日期	1979.10.27
申请人	BERGWERKSVERBAND GMBH, 4300 ESSEN	发明人
分类号	E21F11/00;(IPC1-7):E21F11/00	主分类号	E21F11/00
代理机构		代理人
主权项
地址

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