A paper-knife or envelope opener,申请号GB19450002432-传众专利搜索

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发明名称	A paper-knife or envelope opener
摘要
申请公布号	GB588195(A)	申请公布日期	1947.05.16
申请号	GB19450002432	申请日期	1945.01.31
申请人	ARON FRITHIOF EKSTRAND	发明人
分类号	B43M7/00	主分类号	B43M7/00
代理机构		代理人
主权项
地址

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