Download or read book GB T 23828 2023 Translated English of Chinese Standard GB T 23828 2023 GBT23828 2023 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2023-08-05 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document specifies the classification, composition and model, technical requirements, test methods, inspection rules, as well as signs, packaging, transportation and storage for light-emitting diode (LED) changeable message signs of motorway. This document applies to the production, use and inspection for light-emitting diode changeable message signs of motorway.