Measurement of fluid flow by means of pressure differential devices inserted in ciruclar cross-section conduits running full - Part 4: Venturi tubes (ISO 5167-4:2003)
Fire classification of construction products and building elements - Part 4: Classification using data from fire resistance tests on components of smoke control systems; German version EN 13501-4:2007+A1:2009— 33 стр.
Fire classification of construction products and building elements - Part 4: Classification using data from fire resistance tests on components of smoke control systems; German version EN 13501-4:2016— 33 стр.
Fire classification of construction products and building elements - Part 4: Classification using data from fire resistance tests on components of smoke control systems
Fire classification of construction products and building elements - Part 4: Classification using data from fire resistance tests on components of smoke control systems
Fire classification of construction products and building elements - Part 4: Classification using data from fire resistance tests on components of smoke control systems