JJF 1122-2004
Calibration Specification for Gear Helix Measuring Instruments (English Version)

Standard No.

JJF 1122-2004

Language

Chinese, Available in English version

Release Date

2004

Published By

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

Latest

JJF 1122-2004

JJF 1122-2004 history

• 2004 JJF 1122-2004 Calibration Specification for Gear Helix Measuring Instruments
• 1989 JJG 91-1989 Verification Regulation of Base Circle Involute and Helix Gear Tester
• 1986 JJG 430-1986 Verification Regulation of Lead Tester of Gear