Tenders for Supply of Printed Circuit Board Pcb Type: Rdb 472 A01 For Used In Wap7/Wag9 Type 3-Phase Class Of L Ocomotives. As Per Clws Str No : Clw/C-D&D/Str/002, Rev-0. Abb Id No. Hiet 404620 R0002. Pcb Typ E : Rdb 472 A01. Warranty Period: 30 Months After The Date Of Delivery