Staehlerner Streckenausbau, insbesondere fuer den Grubenbetrieb unter Tage,申请号DE1951T004537-传众专利搜索

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发明名称	Staehlerner Streckenausbau, insbesondere fuer den Grubenbetrieb unter Tage
摘要
申请公布号	DE924081(C)	申请公布日期	1955.02.24
申请号	DE1951T004537	申请日期	1951.07.08
申请人	AUGUST THYSSEN-HUETTE AKTIENGESELLSCHAFT	发明人	KOBLITZ WILHELM HERMANN
分类号	E21D11/20;E21D11/22	主分类号	E21D11/20
代理机构		代理人
主权项
地址

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