Dispositif de secours automatique pour signaux de sécurité,申请号FRD676608-传众专利搜索

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发明名称	Dispositif de secours automatique pour signaux de sécurité
摘要
申请公布号	FR676608(A)	申请公布日期	1930.02.25
申请号	FRD676608	申请日期	1929.06.13
申请人	SOCIETE DES ANCIENS ETABLISSEMENTS SAUNIER-DUVAL-FRISQUET	发明人
分类号	B61L5/18	主分类号	B61L5/18
代理机构		代理人
主权项
地址

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