Sound-insulating and sound-absorbing building materials and products. General specifications
NORMA vydána dne 1.5.2023
Designation standards: GOST 23499-2022
Publication date standards: 1.5.2023
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST