Reinforced concrete roof trusses. Specifications
NORMA vydána dne 1.1.1990
Designation standards: GOST 20213-89
Note: NEPLATNÁ
Publication date standards: 1.1.1990
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST