Tender for Replacement Of Existing Defective 400kv Abb Make Circuit Breaker (type: Ltb420e2, Operating Mechanism Msd2, Bearing S.no. 45000010) With New 400kv Cgl Make Circuit Breaker In 417bay (tie Bay Of 400kv Hnpcl-1 Feeder And 315mva Ict-1) At 400kv Ss, Guddigudem. in Visakhapatnam - Andhra Pradesh

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