JJG 150-2020
Ultrasonic wave measuring instrument (English Version)

Standard No.

JJG 150-2020

Language

Chinese, Available in English version

Published By

National Metrological Verification Regulations of the People's Republic of China

Latest

JJG 150-2020

JJG 150-2020 history

• 1970 JJG 150-2020 Ultrasonic wave measuring instrument
• 2005 JJG 150-2005 Verification rules for metal Brinell hardness testers
• 1990 JJG 150-1990 Verification Regulation of Metal Brinell Hardness Tester