Fountain pen of the ball point type,申请号US19510257728-传众专利搜索

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发明名称	Fountain pen of the ball point type
摘要
申请公布号	US2775956(A)	申请公布日期	1957.01.01
申请号	US19510257728	申请日期	1951.11.23
申请人	FREDERICK RAY	发明人	RAY FREDERICK
分类号	B43K7/08	主分类号	B43K7/08
代理机构		代理人
主权项
地址

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