Fire extinguishing media - Foam concentrates - Part 1: Specification for medium expansion foam concentrates for surface application to water-immiscible liquids; German version EN 1568-1:2008— 36 стр.
Fire extinguishing media - Foam concentrates - Part 1: Specification for medium expansion foam concentrates for surface application to water-immiscible liquids; German version EN 1568-1:2008, Corrigendum to DIN EN 1568-1:2008-06; German version EN 1568-1:2008/AC:2010— 2 стр.