Tender for Replacement Of Existing Defective 400kv Abb Make Circuit Breaker Type Ltb420e2 Operating Mechanism Msd2 Bearing Sno 45000010 With New 400kv Cgl Make Circuit Breaker In 417bay Tie Bay Of 400kv Hnpcl1 Feeder And 315mva Ict1 At 400kv Ss Guddigudem in Visakhapatnam - Andhra Pradesh

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