échelles des vitesses d'instantanés et des ouvertures de diaphragme des appareils photographiques,申请号FRD890428-传众专利搜索

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发明名称	échelles des vitesses d'instantanés et des ouvertures de diaphragme des appareils photographiques
摘要
申请公布号	FR890428(A)	申请公布日期	1944.02.08
申请号	FRD890428	申请日期	1943.01.28
申请人	ZEISS IKON AKTIENGESELLSCHAFT	发明人
分类号	G03B13/20	主分类号	G03B13/20
代理机构		代理人
主权项
地址

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