Perfectionnements aux relais électriques,申请号FRD854685-传众专利搜索

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发明名称	Perfectionnements aux relais électriques
摘要
申请公布号	FR854685(A)	申请公布日期	1940.04.22
申请号	FRD854685	申请日期	1939.05.12
申请人	COMPAGNIE DES FREINS ET SIGNAUX WESTINGHOUSE	发明人
分类号	B61L1/08	主分类号	B61L1/08
代理机构		代理人
主权项
地址

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