DIN EN 55025-2009 车辆、船舶和内燃机 无线电干扰特性 船上接收机保护测量的限值和方法
Vehicles, boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of on-board receivers (IEC/CISPR 25:2008); German version EN 55025:2008