
Textile materials. Classification of textile fibers according to their origin.
NORMA vydaná dňa 9.9.2026
Designation standards: UNE 40449:2026
Publication date standards: 9.9.2026
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE