DS EN 1866-3:2013 Mobile Fire Extinguishers - Part 3: Requirements For The Assembly, Construction And Pressure Resistance Of Co[2] Extinguishers Which Comply With The Requirements Of En 1866-1 Defines the rules of design, assembling, testing and inspection during manufacturing of mobile CO[2] fire extinguishers, which comply with the requirements of EN 1866-1, as far as pressure resistance