Improvements in or relating to writing devices,申请号GB19370026520-传众专利搜索

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发明名称	Improvements in or relating to writing devices
摘要
申请公布号	GB499903(A)	申请公布日期	1939.01.31
申请号	GB19370026520	申请日期	1937.09.30
申请人	AUBREY EVELYN TAYLOR	发明人
分类号	B43K8/02	主分类号	B43K8/02
代理机构		代理人
主权项
地址

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