Elements of natural stone for building purposes. Common regulations
NORM herausgegeben am 24.11.1986
Designation standards: ČSN 721810
Classification mark: 721810
Catalog number: 30834
Publication date standards: 24.11.1986
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN