BS 493:1967

Specification for airbricks and gratings for wall ventilation.

NORMA vydána dne 14.12.1970

The information about the standard:

Designation standards: BS 493:1967
Note: NEPLATNÁ
Publication date standards: 14.12.1970
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS