China 'GB/T 20730.2-2019
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20730.2-2019
Instruments with analogue inputs and two-or multi-state outputs for use in industrial-process control systems—Part 2:Guidance for inspection and routine testing 工业过程控制系统用模拟输入两位或多位输出仪表 第2部分:检查和例行试验导则
Issued Date:2019
Implemented Date:2019-12-1
Issued by:
The Standardization Administration of the People's Republic of China