Dimensions of drain fittings salt-glazed ware and glass (vitreous) enamelled salt-glazed fire clay.
NORMA vydána dne 11.1.1963
Designation standards: BS 539-1:1951
Note: NEPLATNÁ
Publication date standards: 11.1.1963
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS