DIN EN 13203-4-2017 家用燃气器具生产热水.第4部分:热电联供燃气器具(mCHP)生产热水和电力所需能耗的评定;德文版本EN 13203-4-2016
Gas-fired domestic appliances producing hot water - Part 4: Assessment of energy consumption of gas combined heat and power appliances (mCHP) producing hot water and electricity; German version EN 13203-4:2016