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Standard
DIN EN 12831 , Publication date: 2003-08Heating systems in buildings - Method for calculation of the design heat load; German version EN 12831:2003 |
Standard
DIN EN 12831 Beiblatt 1 [PLEASE NOTE: DOCUMENT WITHDRAWN] , Publication date: 2004-04Heating systems in buildings - Method for calculation of the design heat load - National Annex NA |