
Road traffic signs and internally illuminated bollards. Specification for retroreflective and non-retroreflective signs
出版:British Standards Institution

专家解读视频
General constructional requirements for sign plates, frames and fittings, together with the photometric, colorimetric and performance requirements for retroreflective and non-retroreflective sign face materials for use in the manufacture of all road traffic signs.
© British Standards Institution 2013
Amendment notes:
AMD 6140 published 31 May 1989
AMD 6459 published 31 October 1990
AMD 6658 published 31 January 1991