China 'GB/T 37055.1-2018
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 37055.1-2018
National articles numbering and basic information specification—Means of production—Part 1:Steel products for construction 国家物品编码与基础信息规范-生产资料-第1部分:建筑用钢材
Issued Date:2018
Implemented Date:2019-7-1
Issued by:
The Standardization Administration of the People's Republic of China