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CEN/TC 191/SC 1/WG 6
Design and calculation methods and installation procedures for pressure differential smoke control systems
EN 1434-1/prA1
Thermal energy meters - Part 1: General requirements
EN 1434-4/prA1
Heat meters - Part 4: Pattern approval tests
EN 1434-5/prA1
Thermal energy meters - Part 5: Intitial verification tests
EN 1434-6/prA1
Thermal energy meters - Part 6: Installation, commissioning, operational monitoring and maintenance
EN 1434-2/prA1
Thermal energy meters - Part 2: Constructional requirements