Lawn mower sharpener,申请号US19340712838-传众专利搜索

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发明名称	Lawn mower sharpener
摘要
申请公布号	US1999635(A)	申请公布日期	1935.04.30
申请号	US19340712838	申请日期	1934.02.24
申请人	ARTHUR LICHT	发明人	LICHT ARTHUR
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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