DIN EN 13203-3-2010 燃气家用产热水器.不超过70 kW热输入的器具和500 L水存储容器.第3部分:能量消耗评定;德文版本EN 13203-3-2010
Solar supported gas-fired domestic appliances producing hot water - Appliances not exceeding 70 kW heat input and 500 litres water storage capacity - Part 3: Assessment of energy consumption; German version EN 13203-3:2010