JJF 1721-2018
Calibration Specification for Carbonization Depth Measuring Instruments and Calipers (English Version)

Standard No.

JJF 1721-2018

Language

Chinese, Available in English version

Release Date

2018

Published By

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

Latest

JJF 1721-2018

JJF 1721-2018 history

• 2018 JJF 1721-2018 Calibration Specification for Carbonization Depth Measuring Instruments and Calipers