Writing instrument,申请号US19460677641-传众专利搜索

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发明名称	Writing instrument
摘要
申请公布号	US2603186(A)	申请公布日期	1952.07.15
申请号	US19460677641	申请日期	1946.06.19
申请人	BROWN & BIGELOW	发明人	FISCHER HOWARD L.
分类号	B43K24/06	主分类号	B43K24/06
代理机构		代理人
主权项
地址

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