Changeable neon sign,申请号US19330686566-传众专利搜索

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发明名称	Changeable neon sign
摘要
申请公布号	US1991099(A)	申请公布日期	1935.02.12
申请号	US19330686566	申请日期	1933.08.24
申请人	SAMUEL LEVITES;ISADORE NATHAN	发明人	KATZ HERMAN S.
分类号	G09F13/26	主分类号	G09F13/26
代理机构		代理人
主权项
地址

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