Assistive products for blind and vision-impaired persons. Tactile walking surface indicators
NORMA vydaná dňa 1.1.2016
Designation standards: GOST R 56305-2014
Note: NEPLATNÁ
Publication date standards: 1.1.2016
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST