Dispositif pour préserver de la lumière, de la poussière ou de l'humidité, n'ayant pas besoin d'être démonté; destiné aux films photographiques en particulier,申请号FRD1102458-传众专利搜索

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发明名称	Dispositif pour préserver de la lumière, de la poussière ou de l'humidité, n'ayant pas besoin d'être démonté; destiné aux films photographiques en particulier
摘要
申请公布号	FR1102458(A)	申请公布日期	1955.10.21
申请号	FRD1102458	申请日期	1946.03.09
申请人		发明人	KORN FELIX
分类号	G03B17/30	主分类号	G03B17/30
代理机构		代理人
主权项
地址

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