
Specification for precast concrete flue blocks for gas fires and ventilation..
NORM herausgegeben am 21.12.1945
Designation standards: BS 1289:1945
Note: UNGÜLTIG
Publication date standards: 21.12.1945
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS