Improvements in knife sharpening machines,申请号GB19400012599-传众专利搜索

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发明名称	Improvements in knife sharpening machines
摘要
申请公布号	GB543094(A)	申请公布日期	1942.02.10
申请号	GB19400012599	申请日期	1940.08.05
申请人	ALEXANDER RUSSELL RENFREW	发明人
分类号	B24B3/54	主分类号	B24B3/54
代理机构		代理人
主权项
地址

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