Thermal solar systems and components - Solar collectors - Part 2: Test methods (including corrigendum AC:2002); German version EN 12975-2:2001 + AC:2002— 159 стр.
Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2003); German version EN ISO 5167-1:2003— 41 стр.