Supply of Printed Circuit Board Pcb For 110V Ac/Dc, 450 Mm Sweep Universal Brushless Railway Carriag E Fan Conforming To Rdso Specification No. Rdso/Pe/Spec/Tl/0021/2005 Rev-3 With Amendment No. 1. Th E Pcb Shall Conform To Clause 4.4 To 4.4.8 Of The Rdso Specification. Warranty Period: 30 Months After The D Ate Of Delivery