Sharpener,申请号US19390268585-传众专利搜索

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发明名称	Sharpener
摘要
申请公布号	US2222374(A)	申请公布日期	1940.11.19
申请号	US19390268585	申请日期	1939.04.18
申请人	FRANK REHFIELD	发明人	REHFIELD FRANK
分类号	B24D15/08	主分类号	B24D15/08
代理机构		代理人
主权项
地址

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