Eraser holding attachment for pencils,申请号US19530335938-传众专利搜索

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发明名称	Eraser holding attachment for pencils
摘要
申请公布号	US2785655(A)	申请公布日期	1957.03.19
申请号	US19530335938	申请日期	1953.02.09
申请人	LEATHERS STEPHEN R;SHARON LEO P	发明人	LEATHERS STEPHEN R.;SHARON LEO P.
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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