Tool sharpening devices,申请号US19550531343-传众专利搜索

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发明名称	Tool sharpening devices
摘要
申请公布号	US2845753(A)	申请公布日期	1958.08.05
申请号	US19550531343	申请日期	1955.08.30
申请人	LAVOND EDWARD A	发明人	LAVOND EDWARD 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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