Lawn mower sharpening device,申请号US19510250264-传众专利搜索

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发明名称	Lawn mower sharpening device
摘要
申请公布号	US2613483(A)	申请公布日期	1952.10.14
申请号	US19510250264	申请日期	1951.10.08
申请人	LEWIS JAMES P;RADER RALPH R	发明人	LEWIS JAMES P.;RADER RALPH R.
分类号	B24B3/42	主分类号	B24B3/42
代理机构		代理人
主权项
地址

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