Non-ignitable and self-extinguishing boards (with mineral base) for electrical purposes.
NORMA vydaná dňa 1.1.1937
Designation standards: BS 737:1937
Note: NEPLATNÁ
Publication date standards: 1.1.1937
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS