Einrichtung zum Abbau von Kohle od. dgl. in halbsteiler und steiler Lagerung,申请号DE1950G003282-传众专利搜索

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发明名称	Einrichtung zum Abbau von Kohle od. dgl. in halbsteiler und steiler Lagerung
摘要
申请公布号	DE976598(C)	申请公布日期	1963.12.12
申请号	DE1950G003282	申请日期	1950.08.15
申请人	GEWERKSCHAFT EISENHUETTE WESTFALIA	发明人	HERRMANN JULIUS
分类号	E21D23/00	主分类号	E21D23/00
代理机构		代理人
主权项
地址

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