Dispositif pour l'enroulement de films cinématographiques, destiné aux appareils de projection.,申请号CHD189424-传众专利搜索

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发明名称	Dispositif pour l'enroulement de films cinématographiques, destiné aux appareils de projection.
摘要
申请公布号	CH189424(A)	申请公布日期	1937.02.28
申请号	CHD189424	申请日期	1935.12.03
申请人	CEVEY,GEORGES	发明人	CEVEY,GEORGES
分类号	G03B21/48	主分类号	G03B21/48
代理机构		代理人
主权项
地址

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