Appareil facilitant l'apprentissage de la dactylographie,申请号FRD1157594-传众专利搜索

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发明名称	Appareil facilitant l'apprentissage de la dactylographie
摘要
申请公布号	FR1157594(A)	申请公布日期	1958.05.30
申请号	FRD1157594	申请日期	1956.09.21
申请人		发明人	KOLLER LEONARD
分类号	B41J5/10;G09B13/04	主分类号	B41J5/10
代理机构		代理人
主权项
地址

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