JJG 920-2017
Verification Regulations for Diffuse Transmission Visual Densitometer (English Version)

Standard No.

JJG 920-2017

Language

Chinese, Available in English version

Release Date

2018

Published By

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

Latest

JJG 920-2017

Replace

JJG 920-1996

JJG 920-2017 history

• 2018 JJG 920-2017 Verification Regulations for Diffuse Transmission Visual Densitometer
• 1996 JJG 920-1996 Verification Regulation of Diffuse Transmission Visual Densitometer