Satz von belageisenaehnlichen Grubenausbauprofilen, vorzugsweise fuer den ring- oder bogenfoermigen Streckenausbau,申请号DE1948B036617-传众专利搜索

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发明名称	Satz von belageisenaehnlichen Grubenausbauprofilen, vorzugsweise fuer den ring- oder bogenfoermigen Streckenausbau
摘要
申请公布号	DE965871(C)	申请公布日期	1957.06.27
申请号	DE1948B036617	申请日期	1948.10.02
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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