Wooden joists. Specifications
NORM herausgegeben am 1.1.1988
Designation standards: GOST 4981-87
Note: UNGÜLTIG
Publication date standards: 1.1.1988
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST