中華人民共和國國家標準
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 34041.1-2017
Measurement of fluid flow in closed conduits—Ultrasonic meters for gas—Part 1: Meters for custody transfer and allocation measurement 封閉管道中流體流量的測量 氣體超聲流量計 第1部分:貿易交接和分輸計量用氣體超聲流量計
Issued Date:2017-09-07
Implemented Date:2018-04-01
Issued by:
The Standardization Administration of the People's Republic of China