T/CRAAS 439.1-2022
General ventilation filters - Part 1: Efficiency of particulate matter (ePM) technical requirements (English Version)

Standard No.

T/CRAAS 439.1-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

Group Standards of the People's Republic of China

Latest

T/CRAAS 439.1-2022

T/CRAAS 439.1-2022 history

• 2022 T/CRAAS 439.1-2022 General ventilation filters - Part 1: Efficiency of particulate matter (ePM) technical requirements