Dispositif d'entraînement du film, pour appareils de projection de vues animées,申请号FRD697643-传众专利搜索

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发明名称	Dispositif d'entraînement du film, pour appareils de projection de vues animées
摘要
申请公布号	FR697643(A)	申请公布日期	1931.01.20
申请号	FRD697643	申请日期	1930.06.18
申请人	UNIVERSAL STAMPING AND MANUFACTURING COMPANY	发明人
分类号	G03B1/22;G03B1/40	主分类号	G03B1/22
代理机构		代理人
主权项
地址

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