GB/T 321-1980
Preferred numbers and preferred number series (English Version)

Standard No.

GB/T 321-1980

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 2005-12

Replace By

GB/T 321-2005

Latest

GB/T 321-2005

Scope

This standard is applicable to the classification of various quantities, especially when determining the parameters or parameter series of a product, the priority number and priority number system must be used to the greatest extent according to the provisions of this standard.

GB/T 321-1980 history

• 2005 GB/T 321-2005 Preferred numbers-Series of preferred numbers
• 1980 GB/T 321-1980 Preferred numbers and preferred number series