Perfectionnements apportés aux systèmes à courant alternatif, notamment pour la signalisation acoustique,申请号FRD861706-传众专利搜索

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发明名称	Perfectionnements apportés aux systèmes à courant alternatif, notamment pour la signalisation acoustique
摘要
申请公布号	FR861706(A)	申请公布日期	1941.02.15
申请号	FRD861706	申请日期	1939.11.16
申请人	ASSOCIATION DES OUVRIERS EN INSTRUMENTS DE PRECISION, S. A.	发明人
分类号	H02K19/24	主分类号	H02K19/24
代理机构		代理人
主权项
地址

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