Pencil sharpener,申请号US19370122465-传众专利搜索

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发明名称	Pencil sharpener
摘要
申请公布号	US2152412(A)	申请公布日期	1939.03.28
申请号	US19370122465	申请日期	1937.01.26
申请人	JENKINS HOWARD W	发明人	JENKINS HOWARD W.
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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