China 'GB/T 12476.3-2017
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 12476.3-2017
Electrical apparatus for use in the presence of combustible dust—Part 3: Classification of areas where combustible dusts are or may be present 可燃性粉尘环境用电气设备 第3部分:存在或可能存在可燃性粉尘的场所分类
Issued Date:2017
Implemented Date:2017
Issued by:
The Standardization Administration of the People's Republic of China