WASSERTROG-SPERRE ZUM SCHUTZ GEGEN SCHLAGENDE WETTER UND EXPLOSIONEN IN GRUBENBETRIEBEN,申请号DE19680001003U-传众专利搜索

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发明名称	WASSERTROG-SPERRE ZUM SCHUTZ GEGEN SCHLAGENDE WETTER UND EXPLOSIONEN IN GRUBENBETRIEBEN
摘要
申请公布号	DE6801003(U)	申请公布日期	1969.02.27
申请号	DE19680001003U	申请日期	1968.10.03
申请人	ERNST RISSE	发明人	ERNST RISSE
分类号		主分类号
代理机构		代理人
主权项
地址

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