China 'GB/T 20159.4-2011
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20159.4-2011
Classification of environmental condition - Guidance for the correlation and transformation of environmental condition classes to the environmental tests - Stationary use at non-weatherprotected locations 环境条件分类 环境条件分类与环境试验之间的关系及转换指南 无气候防护场所固定使用
Issued Date:2011-12-30
Implemented Date:2012-05-01
Issued by:
The Standardization Administration of the People's Republic of China