
Sound-insulating and sound-absorbing building materials and products. General specifications
NORMA vydána dne 1.4.2011
Designation standards: GOST 23499-2009
Note: NEPLATNÁ
Publication date standards: 1.4.2011
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST