DS DS/EN ISO 9346
DS DSEN SO 9346 2007-NOV-06 Hygrothermal performance of buldngs and buldng materals - Physcal quanttes for mass transfer - Vocabulary
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This International Standard defines physical quantities and other terms in the field of mass transfer relevant to buildings, building elements and systems, building components and building materials. For physical quantities the standard also gives the corresponding symbols and units.