Dispositif avertisseur pour passages à niveau de chemins de fer,申请号FRD674522-传众专利搜索

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发明名称	Dispositif avertisseur pour passages à niveau de chemins de fer
摘要
申请公布号	FR674522(A)	申请公布日期	1930.01.29
申请号	FRD674522	申请日期	1929.05.03
申请人		发明人	PESCHT HERMANN
分类号	B61L29/28	主分类号	B61L29/28
代理机构		代理人
主权项
地址

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