China 'GB/T 34041.2-2017
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 34041.2-2017
Measurement of fluid flow in closed conduits—Ultrasonic meters for gas—Part 2: Meters for industrial applications 封闭管道中流体流量的测量 气体超声流量计 第2部分:工业测量用气体超声流量计
Issued Date:2017-09-07
Implemented Date:2018-04-01
Issued by:
The Standardization Administration of the People's Republic of China