GOST 4.209-79

Quality rating system. Building. Soundabsorbing and sound-insulating materials and products. Nomenclature of characteristics

NORMA vydaná dňa 1.7.1980

The information about the standard:

Designation standards: GOST 4.209-79
Publication date standards: 1.7.1980
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST