Système d'enroulement de films cinématographiques de grandes longueurs,申请号FRD731481-传众专利搜索

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发明名称	Système d'enroulement de films cinématographiques de grandes longueurs
摘要
申请公布号	FR731481(A)	申请公布日期	1932.09.03
申请号	FRD731481	申请日期	1932.02.17
申请人		发明人	BALLENCY FREDERIC
分类号	G03B21/43	主分类号	G03B21/43
代理机构		代理人
主权项
地址

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