Verfahren zur Erzeugung erst beim Anhauchen sichtbar werdender Zeichen,申请号DE1952F008541-传众专利搜索

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发明名称	Verfahren zur Erzeugung erst beim Anhauchen sichtbar werdender Zeichen
摘要
申请公布号	DE949724(C)	申请公布日期	1956.09.27
申请号	DE1952F008541	申请日期	1952.03.09
申请人	FRANKE & HEIDECKE, FABRIK PHOTOGR. PRAEZISIONS-APPARATE	发明人	GOETHERT DR. RER. NAT. RUDOLF
分类号	B44F1/04	主分类号	B44F1/04
代理机构		代理人
主权项
地址

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