Specification for masonry units.Part 1:Clay masonry units
NORM herausgegeben am 1.12.2011
Designation standards: STN EN 771-1
Classification mark: 722632
Catalog number: 114506
Note: UNGÜLTIG
Publication date standards: 1.12.2011
Approximate weight : 48 g (0.11 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN