Asbestos-cement slates and unreinforced flat sheets and corrugated sheets..
NORM herausgegeben am 29.1.1940
Designation standards: BS 690:1940
Note: UNGÜLTIG
Publication date standards: 29.1.1940
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS