GB 1974-1980
Tangential key and its keyway (English Version)

Standard No.

GB 1974-1980

Language

Chinese, Available in English version

Release Date

1980

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2004-02

Replace By

GB/T 1974-2003

Latest

GB/T 1974-2003

GB 1974-1980 history

• 2003 GB/T 1974-2003 Tangential keys and keyways
• 1980 GB 1974-1980 Tangential key and its keyway