Traffic control signal,申请号US19330681051-传众专利搜索

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发明名称	Traffic control signal
摘要
申请公布号	US2136955(A)	申请公布日期	1938.11.15
申请号	US19330681051	申请日期	1933.07.19
申请人	AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED	发明人	RENSHAW PERCY BAILEY
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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