Improvements in Underframes for Coal Cutting Machines,申请号GB19660048681-传众专利搜索

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发明名称	Improvements in Underframes for Coal Cutting Machines
摘要
申请公布号	GB1187374(A)	申请公布日期	1970.04.08
申请号	GB19660048681	申请日期	1966.10.31
申请人	MADDEN (TECHNICAL SERVICES) LIMITED	发明人	LESLIE JOHN MADDEN
分类号	E21C35/12	主分类号	E21C35/12
代理机构		代理人
主权项
地址

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