ENVELOPE AND OPENING MEANS THEREFOR,申请号CAD634457-传众专利搜索

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发明名称	ENVELOPE AND OPENING MEANS THEREFOR
摘要
申请公布号	CA634457(A)	申请公布日期	1962.01.09
申请号	CAD634457	申请日期
申请人	SESAME ENVELOPE COMPANY LIMITED	发明人	JOHN R. PAULSON
分类号		主分类号
代理机构		代理人
主权项
地址

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