Signalling apparatus for vehicles at crossings,申请号GB19290027498-传众专利搜索

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发明名称	Signalling apparatus for vehicles at crossings
摘要
申请公布号	GB333078(A)	申请公布日期	1930.08.07
申请号	GB19290027498	申请日期	1929.09.10
申请人	TRANQUILLE TERNON;EUGENE GALLIEN	发明人
分类号	G08G1/02;G08G1/16	主分类号	G08G1/02
代理机构		代理人
主权项
地址

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