BS 505:1971被替代
Specification for road traffic signals
出版：British Standards Institution
专家解读视频
基本信息
标准编号： BS 505:1971
发布时间：1971/10/12 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：48
标准简介
Optical and constructional requirements and tests. Includes requirements for pedestrian controlled and wig-wag signals.
标准备注
© British Standards Institution 2013
Amendment notes:
AMD 1990 published 15 May 1976
替代本标准的新标准
