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2018EN 1568-4:2018 Fire extinguishing media - Foam concentrates - Part 4: Specification for low expansion foam concentrates for surface application to water-miscible liquids
2008EN 1568-4:2008 Fire extinguishing media - Foam concentrates - Part 4: Specification for low expansion foam concentrates for surface application to water-miscible liquids
2000EN 1568-4:2000 Fire Extinguishing Media - Foam Concentrates - Part 4: Specification for Low Expansion Foam Concentrates for Surface Application to Water-Miscible Liquids