Improvements in or relating to coal-cutting and like machines, or combined cutting and loading machines,申请号GB19370017589-传众专利搜索

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发明名称	Improvements in or relating to coal-cutting and like machines, or combined cutting and loading machines
摘要
申请公布号	GB497840(A)	申请公布日期	1938.12.28
申请号	GB19370017589	申请日期	1937.06.24
申请人	OSWALD FLOYD LEWIS;NEWTON, CHAMBERS & COMPANY, LIMITED	发明人
分类号	E21C27/04	主分类号	E21C27/04
代理机构		代理人
主权项
地址

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