Dispositif détecteur et enregistreur des endroits endommagés des voies de chemins de fer,申请号FRD677193-传众专利搜索

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发明名称	Dispositif détecteur et enregistreur des endroits endommagés des voies de chemins de fer
摘要
申请公布号	FR677193(A)	申请公布日期	1930.03.05
申请号	FRD677193	申请日期	1929.06.22
申请人		发明人	FEHRMANN ADOLF
分类号	B61K9/08	主分类号	B61K9/08
代理机构		代理人
主权项
地址

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