GRAPHIC PRIVACY SYSTEM,申请号CAD498855-传众专利搜索

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发明名称	GRAPHIC PRIVACY SYSTEM
摘要
申请公布号	CA498855(A)	申请公布日期	1953.12.29
申请号	CAD498855	申请日期
申请人	NEWSFAX (CANADA) LIMITED	发明人	HUGH C. RESSLER;JOHN V. L. HOGAN
分类号		主分类号
代理机构		代理人
主权项
地址

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