Workplace atmospheres. Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours-General requirements and test methods
工作环境 用于直接检测和直接测量有毒气体和蒸汽浓度的电气设备 一般要求和试验方法
Cross References:EN 482EN 45544-2:2015EN 45544-3:2015EN 50270EN 50271EN 60068-2-6IEC 60068-2-6EN 60079-0IEC 60079-0EN ISO/IEC 17025ISO/IEC 17025All current amendments available at time of purchase are included with the purchase of this document.