Dispositif de sécurité pour les chemins de fer,申请号FRD769748-传众专利搜索

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发明名称	Dispositif de sécurité pour les chemins de fer
摘要
申请公布号	FR769748(A)	申请公布日期	1934.08.31
申请号	FRD769748	申请日期	1934.03.06
申请人		发明人	BLOCHLINGER ADOLF;WEBER HUGO
分类号	B61L3/04	主分类号	B61L3/04
代理机构		代理人
主权项
地址

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