China marking pencil,申请号US19500144235-传众专利搜索

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发明名称	China marking pencil
摘要
申请公布号	US2570496(A)	申请公布日期	1951.10.09
申请号	US19500144235	申请日期	1950.02.15
申请人	AUTOPOINT COMPANY	发明人	SEIBERT ERNEST H.
分类号	B43K21/00;B43K21/22	主分类号	B43K21/00
代理机构		代理人
主权项
地址

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