NF D35-350-3*NF EN 13203-3:2010
太陽能燃氣家用產熱水器 不超過70 kW熱輸入的器具和500 l儲水量的容器 第3部分:能量消耗評定
Solar supported gas-fired domestic appliances producing hot water - Appliances not exceeding 70 kW heat input and 500 liters water storage capacity - Part 3 : assessment of energy consumption