Draft Document - Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides; German version EN 50545-1:2011/FprA1:2015
文件草案——停车场和隧道中有毒和可燃气体检测和测量用电气设备——第1部分:一氧化碳和氮氧化物检测和测量的一般性能要求和试验方法;德文版EN 50545-1:2011/FprA1:2