
Specification. Welded steel boilers for central heating and hot water supply..
NORMA vydaná dňa 19.6.1939
Designation standards: BS 855:1939
Note: NEPLATNÁ
Publication date standards: 19.6.1939
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS