JJG 146-2020
Waterway Engineering Reinforcement Corrosion Instrument (English Version)

Standard No.

JJG 146-2020

Language

Chinese, Available in English version

Published By

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

Latest

JJG 146-2020

JJG 146-2020 history

• 1970 JJG 146-2020 Waterway Engineering Reinforcement Corrosion Instrument
• 2011 JJG 146-2011 Verification Regulation of Gauge Blocks
• 2003 JJG 146-2003 Verification Regulation of Gauge Blocks
• 1994 JJG 146-1994 Verification Regulation of Gauge Block