A signalling arrangement in which switching is automatically effected by street vehicles,申请号GB19280035928-传众专利搜索

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发明名称	A signalling arrangement in which switching is automatically effected by street vehicles
摘要
申请公布号	GB301809(A)	申请公布日期	1930.04.07
申请号	GB19280035928	申请日期	1928.12.05
申请人	ARTUR STERNBERG	发明人
分类号	G08G1/08	主分类号	G08G1/08
代理机构		代理人
主权项
地址

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