Eraser for pencils,申请号US19450621187-传众专利搜索

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发明名称	Eraser for pencils
摘要
申请公布号	US2482273(A)	申请公布日期	1949.09.20
申请号	US19450621187	申请日期	1945.10.09
申请人	THE SLENCIL CO.	发明人	HARRIS CARL C.
分类号	B43K29/02	主分类号	B43K29/02
代理机构		代理人
主权项
地址

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