Perfectionnements aux systèmes d'entraînement des films,申请号FRD38864-传众专利搜索

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发明名称	Perfectionnements aux systèmes d'entraînement des films
摘要
申请公布号	FR38864(E)	申请公布日期	1931.08.08
申请号	FRD38864	申请日期	1930.04.15
申请人	COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON HOUSTON	发明人
分类号	G11B15/44	主分类号	G11B15/44
代理机构		代理人
主权项
地址

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