Improvements in or relating to fountain pens,申请号GB19370030504-传众专利搜索

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发明名称	Improvements in or relating to fountain pens
摘要
申请公布号	GB497169(A)	申请公布日期	1938.12.14
申请号	GB19370030504	申请日期	1937.11.06
申请人	THOMAS DE LA RUE & COMPANY, LIMITED;EDWARD GIBSON KNIGHT	发明人
分类号	B43K5/12	主分类号	B43K5/12
代理机构		代理人
主权项
地址

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