Improvements in or relating to travelling support assemblies for mineral mines,申请号GB19660043807-传众专利搜索

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发明名称	Improvements in or relating to travelling support assemblies for mineral mines
摘要
申请公布号	GB1134552(A)	申请公布日期	1968.11.27
申请号	GB19660043807	申请日期	1966.09.30
申请人	GEWERKSCHAFT EISENHUETTE WESTFALIA	发明人
分类号	E21D17/02;E21D23/00	主分类号	E21D17/02
代理机构		代理人
主权项
地址

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