GB/T 321-2005
Preferred numbers-Series of preferred numbers (English Version)

Standard No.

GB/T 321-2005

Language

Chinese, Available in English version

Release Date

2005

Published By

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

Latest

GB/T 321-2005

Replace

GB/T 321-1980

Scope

This standard specifies the priority number system. This standard is applicable to the classification of various quantities, especially when determining the parameters or parameter series of products, the basic series values specified in this standard should be selected.

GB/T 321-2005 history

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