EN 303-5:2021+A1:2022 供暖锅炉.第5部分:用固体燃料,手动和自动填料燃烧,额定热功率300kW以下的采暖锅炉.术语,要求,检验和标识 包含修改件A1,2022
Heating boilers - Part 5: Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW - Terminology, requirements, testing and marking