Signal devices for traffic control,申请号GB19320007622-传众专利搜索

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发明名称	Signal devices for traffic control
摘要
申请公布号	GB402053(A)	申请公布日期	1933.11.15
申请号	GB19320007622	申请日期	1932.03.15
申请人	ERNEST ARTHUR HAILWOOD	发明人
分类号	G08G1/096	主分类号	G08G1/096
代理机构		代理人
主权项
地址

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