Coal-cutting machine,申请号GB19600029403-传众专利搜索

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发明名称	Coal-cutting machine
摘要
申请公布号	GB926052(A)	申请公布日期	1963.05.15
申请号	GB19600029403	申请日期	1960.08.25
申请人	DOWTY MINING EQUIPMENT LIMITED	发明人	HODKINSON ALEC
分类号	E21C35/06	主分类号	E21C35/06
代理机构		代理人
主权项
地址

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