China 'GB/T 40315-2021
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 40315-2021
Plastics—Small enclosures for conditioning and testing using aqueous solutions to maintain the humidity at a constant value 塑料 采用水溶液保持湿度恒定进行状态调节和试验的小密闭容器
Issued Date:2021/8/20
Implemented Date:2022/3/1
Issued by:
The Standardization Administration of the People's Republic of China