Dispositif de mise au point de l'objectif permettant d'actionner en même temps le moteur à ressorts dans les appareils de prise de vues cinématographiques,申请号FRD677788-传众专利搜索

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发明名称	Dispositif de mise au point de l'objectif permettant d'actionner en même temps le moteur à ressorts dans les appareils de prise de vues cinématographiques
摘要
申请公布号	FR677788(A)	申请公布日期	1930.03.14
申请号	FRD677788	申请日期	1929.07.03
申请人	I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT	发明人
分类号	G03B19/18	主分类号	G03B19/18
代理机构		代理人
主权项
地址

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