Dispositif de signal pour passages à niveau,申请号FRD740449-传众专利搜索

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发明名称	Dispositif de signal pour passages à niveau
摘要
申请公布号	FR740449(A)	申请公布日期	1933.01.26
申请号	FRD740449	申请日期	1932.07.25
申请人	VEREINIGTE EISENBAHN-SIGNALWERKE GESELLSCHAFT MIT BESCHRANKTER HAFTUNG	发明人
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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