
Specification for unimpregnated asbestos cement boards (incombustible) for electrical purposes.
NORMA vydána dne 30.9.1977
Designation standards: BS 3497:1967
Note: NEPLATNÁ
Publication date standards: 30.9.1977
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS