Fire extinguishing media - Foam concentrates - Part 4: Specification for low expansion foam concentrates for surface application to water-miscible liquids; German version EN 1568-4:2008— 46 стр.
Fire extinguishing media - Foam concentrates - Part 4: Specification for low expansion foam concentrates for surface application to water-miscible liquids; German version EN 1568-4:2008, Corrigendum to DIN EN 1568-4:2008-06; German version EN 1568-4:2008/AC:2010— 2 стр.
