Dispositif mécanique actionné par un train pour prévenir, par signalisation, son arrivée sur un passage à niveau,申请号FRD779274-传众专利搜索

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发明名称	Dispositif mécanique actionné par un train pour prévenir, par signalisation, son arrivée sur un passage à niveau
摘要
申请公布号	FR779274(A)	申请公布日期	1935.04.02
申请号	FRD779274	申请日期	1934.10.08
申请人		发明人	HONNORAT PAUL
分类号	B61L29/26	主分类号	B61L29/26
代理机构		代理人
主权项
地址

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