标准摘要
This document provides design guidelines, test procedure references, and performance requirements for stop arm lamp devices on school bus vehicles which are used to alert traffic to stop when passengers are loading and unloadingCross Reference: CFR 49 PART 571.131,CMVSS131,J1330_201409,J1889_201907,J2139_201412,J387_201404,J576_201708,J578_201603,J759_201404
英文名称School Bus Stop Arm Lamp