Improvements in pen nibs,申请号GB19440018036-传众专利搜索

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发明名称	Improvements in pen nibs
摘要
申请公布号	GB565798(A)	申请公布日期	1944.11.28
申请号	GB19440018036	申请日期	1943.03.16
申请人	JOHN ANDREW SHEA	发明人
分类号	B43K1/00	主分类号	B43K1/00
代理机构		代理人
主权项
地址

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