Specification for single-sized roadstone and chippings.. Imperial units.
NORM herausgegeben am 1.3.1971
Designation standards: BS 63-1:1951
Note: UNGÜLTIG
Publication date standards: 1.3.1971
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS