In Grubenstrecke zu verlegende Rinne zur Ableitung von Grubenwaessern,申请号DE1955H025528-传众专利搜索

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发明名称	In Grubenstrecke zu verlegende Rinne zur Ableitung von Grubenwaessern
摘要
申请公布号	DE1110594(B)	申请公布日期	1961.07.13
申请号	DE1955H025528	申请日期	1955.11.22
申请人	HEINZ HOELTER;ARTHUR KLAESENER	发明人	HOELTER HEINZ
分类号	E21F16/00	主分类号	E21F16/00
代理机构		代理人
主权项
地址

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