Lawn mower sharpener,申请号US19310524909-传众专利搜索

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发明名称	Lawn mower sharpener
摘要
申请公布号	US1947298(A)	申请公布日期	1934.02.13
申请号	US19310524909	申请日期	1931.03.24
申请人	ARTHUR LICHT	发明人	LICHT ARTHUR
分类号	A01D75/08	主分类号	A01D75/08
代理机构		代理人
主权项
地址

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