JJF 2012-2022
Ultrasonic gas meter type evaluation outline (English Version)

Standard No.

JJF 2012-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

National Metrological Technical Specifications of the People's Republic of China

Latest

JJF 2012-2022

JJF 2012-2022 history

• 2022 JJF 2012-2022 Ultrasonic gas meter type evaluation outline