Cutter chains for mining machines,申请号GB19360004566-传众专利搜索

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发明名称	Cutter chains for mining machines
摘要
申请公布号	GB458540(A)	申请公布日期	1936.12.22
申请号	GB19360004566	申请日期	1936.02.14
申请人	ARTHUR LEWIS LEE	发明人
分类号	E21C25/28	主分类号	E21C25/28
代理机构		代理人
主权项
地址

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