Electric pencil sharpener,申请号US19510207213-传众专利搜索

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法人/股东/高管

发明名称	Electric pencil sharpener
摘要
申请公布号	US2822781(A)	申请公布日期	1958.02.11
申请号	US19510207213	申请日期	1951.01.22
申请人	BURTON EDWARD F	发明人	BURTON EDWARD F.
分类号	B43L23/02	主分类号	B43L23/02
代理机构		代理人
主权项
地址

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