Lawn mower sharpener,申请号US19580755453-传众专利搜索

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法人/股东/高管

发明名称	Lawn mower sharpener
摘要
申请公布号	US2928215(A)	申请公布日期	1960.03.15
申请号	US19580755453	申请日期	1958.08.18
申请人	HAYDEN MCDONALD JOHN	发明人	MCDONALD JOHN HAYDEN
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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