ADVERTISING DISPLAY DEVICE,申请号CAD319838-传众专利搜索

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发明名称	ADVERTISING DISPLAY DEVICE
摘要
申请公布号	CA319838(A)	申请公布日期	1932.02.16
申请号	CAD319838	申请日期
申请人	THE LINE-O-GRAPH COMPANY	发明人	MARSHALL HEDGE PAGE
分类号		主分类号
代理机构		代理人
主权项
地址

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