Abbauverfahren fuer einfallende Steinkohlenfloeze in Streben mit fallendem Verhieb und Vorrichtung zur Durchfuehrung des Verfahrens,申请号DE1957B059941-传众专利搜索

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发明名称	Abbauverfahren fuer einfallende Steinkohlenfloeze in Streben mit fallendem Verhieb und Vorrichtung zur Durchfuehrung des Verfahrens
摘要
申请公布号	DE1245889(B)	申请公布日期	1967.08.03
申请号	DE1957B059941	申请日期	1957.03.06
申请人	DR. KARL LEHMANN	发明人	LEHMANN DR. KARL
分类号		主分类号
代理机构		代理人
主权项
地址

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