T/ZFB 0004-2020
children mask (English Version)

Standard No.

T/ZFB 0004-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

Group Standards of the People's Republic of China

Latest

T/ZFB 0004-2020

T/ZFB 0004-2020 history

• 2020 T/ZFB 0004-2020 children mask