GB/Z 41921-2022

Assistive products for blind and vision-impaired persons—Tactile walking surface indicators

NORMA vydaná dňa 12.10.2022

Anglicky a čínsky -
Elektronické PDF (721.40 EUR)

The information about the standard:

Designation standards: GB/Z 41921-2022
Publication date standards: 12.10.2022
Country: Chinese technical standard
Kategória: Technické normy GB