Improvements in and relating to memorandum devices,申请号GB19650019726-传众专利搜索

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发明名称	Improvements in and relating to memorandum devices
摘要
申请公布号	GB1058503(A)	申请公布日期	1967.02.15
申请号	GB19650019726	申请日期	1965.05.10
申请人	FRANCIS GREIF	发明人
分类号	B42D19/00	主分类号	B42D19/00
代理机构		代理人
主权项
地址

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