Changeable light advertising device,申请号US19350018002-传众专利搜索

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发明名称	Changeable light advertising device
摘要
申请公布号	US2055777(A)	申请公布日期	1936.09.29
申请号	US19350018002	申请日期	1935.04.24
申请人	DR. C. ABBOTT BUSH	发明人	SHIGLEY WILLIAM W.
分类号	G09F13/00	主分类号	G09F13/00
代理机构		代理人
主权项
地址

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