Perfectionnements apportés aux appareils du genre des signaux d'alarme, notamment pour voiture de chemin de fer,申请号FRD827943-传众专利搜索

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发明名称	Perfectionnements apportés aux appareils du genre des signaux d'alarme, notamment pour voiture de chemin de fer
摘要
申请公布号	FR827943(A)	申请公布日期	1938.05.06
申请号	FRD827943	申请日期	1937.10.15
申请人	ETABLISSEMENTS GEORGES KLEIN S. A.	发明人
分类号	B61L15/00	主分类号	B61L15/00
代理机构		代理人
主权项
地址

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