Ausbaurahmen, insbesondere fuer den Gleitbogenausbau von Grubenstrecken,申请号DE1948P014183-传众专利搜索

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发明名称	Ausbaurahmen, insbesondere fuer den Gleitbogenausbau von Grubenstrecken
摘要
申请公布号	DE1003160(B)	申请公布日期	1957.02.28
申请号	DE1948P014183	申请日期	1948.10.01
申请人	BOCHUMER EISENHUETTE HEINTZMANN & CO.	发明人
分类号	E21D11/20	主分类号	E21D11/20
代理机构		代理人
主权项
地址

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