Dispositif de maintien du papier sensible à la lumière dans les appareils d'agrandissement,申请号FRD1180804-传众专利搜索

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发明名称	Dispositif de maintien du papier sensible à la lumière dans les appareils d'agrandissement
摘要
申请公布号	FR1180804(A)	申请公布日期	1959.06.09
申请号	FRD1180804	申请日期	1957.08.05
申请人	VEB ASPECTA	发明人
分类号	G03B27/58	主分类号	G03B27/58
代理机构		代理人
主权项
地址

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