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ISO 7345:2018
M00000108
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ISO 7345:2018 Thermal performance of buildings and building components - Physical quantities and definitions
standard by International Organization for Standardization, 03/01/2018
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ISO 7345:2018 defines physical quantities used in the thermal performance of buildings and building elements, and gives the corresponding symbols and units.
NOTE Because the scope of this document is restricted to thermal performance and energy use in the built environment, some of the definitions it contains differ from those given ISO 80000-5.