美利体育登录入口官网:DIN EN 12309-6 E:2012 用于加热和/或冷却且净热输入不超过 70 kW 的燃气吸附装置 第6部分:季节性性能计算 草案
Draft Document - Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW - Part 6: Calculation of seasonal performances; German version prEN 12309-6:2012