JJF 1684-2017
Calibration Specification for Comparators for Measuring the Diameter,Angle and Straightness of Bearings'Tapered Roller (English Version)

Standard No.

JJF 1684-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

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

Latest

JJF 1684-2017

JJF 1684-2017 history

• 2017 JJF 1684-2017 Calibration Specification for Comparators for Measuring the Diameter,Angle and Straightness of Bearings'Tapered Roller
• 1995 JJG 380-1995 Verification Regulation of Instruments for Measuring the Diameter、Angle and Straightness of Bearing Tapered Roller