DIN EN 15153-2-2007 轨道交通.高速火车用外部看得见的和听得见的警告装置.第2部分:警告喇叭
Railway applications - External visible and audible warning devices for high speed trains - Part 2: Warning horns; English version of DIN EN 15153-2:2007-08
This European Standard defines, operational and technical requirements for warning horns for high speed trains, including the requirements for testing and conformity assessment.