Draft Document - Test method for assessing the performance of gas-phase air cleaning media and devices for general ventilation - Part 2: Gas Phase Air Cleaning Devices (GPACD) (ISO/DIS 10121-2:2011); German version prEN ISO 10121-2:2011
文件草案.一般通风用气相空气净化介质和装置性能评估的试验方法.第2部分:气相空气净化装置(GPACD)(ISO/DIS 10121-2-2011);德文版prEN ISO 10121-2:2011