Draft Document - Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances - Part 2: Performance requirements for apparatus used in statutory inspections and assessment; German version prEN 50379-2:2011
文件草案.用于测量加热设备燃烧烟气参数的便携式电气设备规范.第2部分:用于法定检验和评估的设备的性能要求;德文版prEN 50379-2:2011