美利体育登录入口官网:DIN EN 303-5:2018
加热锅炉 第5部分:手动和自动加燃料的固体燃料加热锅炉,标称热输出高达 500 kW 术语、要求、测试和标记
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; German and English version prEN 303-5:2018