T/CMSA 0029-2022
Air negative oxygen ion concentration level icon (English Version)

Standard No.

T/CMSA 0029-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

Group Standards of the People's Republic of China

Latest

T/CMSA 0029-2022

Scope

This document specifies the composition, color and application of air negative oxygen ion concentration level icons. This document applies to the dissemination of negative oxygen ion concentration levels in the air.

T/CMSA 0029-2022 history

• 2022 T/CMSA 0029-2022 Air negative oxygen ion concentration level icon