
Sound Systems For Emergency Purposes
出版:European Committee for Standards - Electrical

專家解讀視頻
基本信息
標準編號: PREN 50849:2011
發布時間:2011/10/1 0:00:00
標準類別:Draft
出版單位:European Committee for Standards - Electrical
標準頁數:24
標準簡介
Gives the performance requirements for sound systems which are primarily intended to broadcast information for the protection of lives within one or more specified areas in an emergency.
替代本標準的新標準
等同采用的國際標準
NEN EN 50849:2011 - Identical