Improvements in or relating to knife sharpeners,申请号GB19380006640-传众专利搜索

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发明名称	Improvements in or relating to knife sharpeners
摘要
申请公布号	GB512326(A)	申请公布日期	1939.09.01
申请号	GB19380006640	申请日期	1938.03.03
申请人	ALFRED ERNEST JAFFA	发明人
分类号	B24D15/08	主分类号	B24D15/08
代理机构		代理人
主权项
地址

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