Fountain pen construction,申请号US19290379956-传众专利搜索

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发明名称	Fountain pen construction
摘要
申请公布号	US1908123(A)	申请公布日期	1933.05.09
申请号	US19290379956	申请日期	1929.07.22
申请人	W. A. SHEAFFER PEN CO.	发明人	CUTHBERT WILLIAM R.
分类号	B43K5/18	主分类号	B43K5/18
代理机构		代理人
主权项
地址

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