Advertising, display, and demonstrating sign,申请号US19340747872-传众专利搜索

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发明名称	Advertising, display, and demonstrating sign
摘要
申请公布号	US2033658(A)	申请公布日期	1936.03.10
申请号	US19340747872	申请日期	1934.10.11
申请人	STEPHENSON THOMAS B	发明人	STEPHENSON THOMAS B.
分类号	G09F13/24	主分类号	G09F13/24
代理机构		代理人
主权项
地址

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