
Cast manhole covers, road gully gratings and frames for drainage purposes.
NORM herausgegeben am 21.8.1970
Designation standards: BS 497:1967
Note: UNGÜLTIG
Publication date standards: 21.8.1970
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: British technical standard
Kategorie: Technische Normen BS