Dispositif d'entraînement différentiel à friction applicable notamment aux bobines des films cinématographiques,申请号FRD766986-传众专利搜索

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发明名称	Dispositif d'entraînement différentiel à friction applicable notamment aux bobines des films cinématographiques
摘要
申请公布号	FR766986(A)	申请公布日期	1934.07.07
申请号	FRD766986	申请日期	1933.04.04
申请人	UNIVERSEL	发明人
分类号	G03B1/40	主分类号	G03B1/40
代理机构		代理人
主权项
地址

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