
Concrete unreinforced tubes and fittings with ogee joints for surface water drainage.
NORMA vydaná dňa 1.1.1967
Designation standards: BS 4101:1967
Note: NEPLATNÁ
Publication date standards: 1.1.1967
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS