Improvements in reservoir writing nibs,申请号GB19480031640-传众专利搜索

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发明名称	Improvements in reservoir writing nibs
摘要
申请公布号	GB656927(A)	申请公布日期	1951.09.05
申请号	GB19480031640	申请日期	1948.12.07
申请人	LUTHER HENRY KOONTZ;ARRIGO SALVADOR BERISSO	发明人
分类号	B43K1/02	主分类号	B43K1/02
代理机构		代理人
主权项
地址

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