Improvements in, or relating to, fountain pens, pen caps and propelling pencils,申请号GB19310034736-传众专利搜索

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发明名称	Improvements in, or relating to, fountain pens, pen caps and propelling pencils
摘要
申请公布号	GB383088(A)	申请公布日期	1932.11.10
申请号	GB19310034736	申请日期	1931.12.15
申请人	DOUGLAS STUART VALENTINE	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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