Lettres ou signes lumineux,申请号FRD749476-传众专利搜索

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发明名称	Lettres ou signes lumineux
摘要
申请公布号	FR749476(A)	申请公布日期	1933.07.25
申请号	FRD749476	申请日期	1933.01.24
申请人	BISTERFELD & STOLTING	发明人
分类号	G09F13/28	主分类号	G09F13/28
代理机构		代理人
主权项
地址

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