Appareil pour produire un texte lumineux,申请号FRD823330-传众专利搜索

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发明名称	Appareil pour produire un texte lumineux
摘要
申请公布号	FR823330(A)	申请公布日期	1938.01.18
申请号	FRD823330	申请日期	1937.06.21
申请人		发明人	GRAUERT HEINZ
分类号	G09G3/00	主分类号	G09G3/00
代理机构		代理人
主权项
地址

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