Improvements in and relating to continuous mining machines,申请号GB19550027500-传众专利搜索

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发明名称	Improvements in and relating to continuous mining machines
摘要
申请公布号	GB773483(A)	申请公布日期	1957.04.24
申请号	GB19550027500	申请日期	1955.09.27
申请人	GOODMAN MANUFACTURING COMPANY	发明人
分类号	E21C27/12	主分类号	E21C27/12
代理机构		代理人
主权项
地址

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