Chercheur optique pour appareils photographiques ou cinématographiques,申请号FRD881337-传众专利搜索

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发明名称	Chercheur optique pour appareils photographiques ou cinématographiques
摘要
申请公布号	FR881337(A)	申请公布日期	1943.04.21
申请号	FRD881337	申请日期	1942.04.18
申请人	FIDES GESELLSCHAFT FU:R DIE VERWALTUNG UND VERWERTUNG VON GEWERBLICHEN SCHUTZRECHTENMIT BESCHRANKTER HAFTUNG	发明人
分类号	G02B23/14	主分类号	G02B23/14
代理机构		代理人
主权项
地址

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