Tool for sharpening lawn mowers,申请号US19380218526-传众专利搜索

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发明名称	Tool for sharpening lawn mowers
摘要
申请公布号	US2170463(A)	申请公布日期	1939.08.22
申请号	US19380218526	申请日期	1938.07.11
申请人	REID ELMER A	发明人	REID ELMER A.
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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