Pencil sharpener hone,申请号US19340750827-传众专利搜索

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法人/股东/高管

发明名称	Pencil sharpener hone
摘要
申请公布号	US2009735(A)	申请公布日期	1935.07.30
申请号	US19340750827	申请日期	1934.10.31
申请人	KERCHEVAL FRED J	发明人	KERCHEVAL FRED J.
分类号	B43L23/00	主分类号	B43L23/00
代理机构		代理人
主权项
地址

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