Traenkrohr fuer das Stosstraenkverfahren im Bergbau,申请号DE1952M013434-传众专利搜索

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发明名称	Traenkrohr fuer das Stosstraenkverfahren im Bergbau
摘要
申请公布号	DE922041(C)	申请公布日期	1955.01.07
申请号	DE1952M013434	申请日期	1952.03.22
申请人	MASCHINENFABRIK NUESSE & GRAEFER K. G.	发明人
分类号	E21F5/18	主分类号	E21F5/18
代理机构		代理人
主权项
地址

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