Procédé pour l'obtention d'au moins un enregistrement sonore sur un film et pour la lecture de celui-ci.,申请号CHD240487-传众专利搜索

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发明名称	Procédé pour l'obtention d'au moins un enregistrement sonore sur un film et pour la lecture de celui-ci.
摘要
申请公布号	CH240487(A)	申请公布日期	1945.12.31
申请号	CHD240487	申请日期	1942.10.30
申请人	RELPHOT SA.	发明人	SA. RELPHOT
分类号	G11B7/00	主分类号	G11B7/00
代理机构		代理人
主权项
地址

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