Download or read book GB T 39022 2020 Translated English of Chinese Standard GBT 39022 2020 GB T39022 2020 GBT39022 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-03-20 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard defines the terms and definitions of lighting, lighting systems, lighting system-related characteristics, lighting components and related equipment. This Standard applies to related fields such as the design, production, installation, use and evaluation of lighting systems and related equipment.