Dispositif de guidage du film pour appareils à films visuels ou sonovisuels,申请号FRD834852-传众专利搜索

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发明名称	Dispositif de guidage du film pour appareils à films visuels ou sonovisuels
摘要
申请公布号	FR834852(A)	申请公布日期	1938.12.05
申请号	FRD834852	申请日期	1938.03.05
申请人	KLANGFILM GESELLSCHAFT MIT BESCHRANKTER HAFTUNG	发明人
分类号	G03B1/42	主分类号	G03B1/42
代理机构		代理人
主权项
地址

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