Perfectionnements aux appareils serfs destinés à servir dans les systèmes électriques de signalisation,申请号FRD869134-传众专利搜索

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发明名称	Perfectionnements aux appareils serfs destinés à servir dans les systèmes électriques de signalisation
摘要
申请公布号	FR869134(A)	申请公布日期	1942.01.24
申请号	FRD869134	申请日期	1939.09.05
申请人	AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED	发明人
分类号	H02J13/00	主分类号	H02J13/00
代理机构		代理人
主权项
地址

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