Gem Bids For Repair And Overhauling Service - L 1497 Defect Rectificationof Ais; Ais Antenna; No; Buyer Premises, Repair Andoverhauling Service - Defect Rectification Of L 1501ventilation Fan; Ventilation System; No; Buyer Premises, Repair And Overhauling Service - L-1502 Calibration Of Testeqpt Through Nabl Approved Lab; Test Equipment; No; Buyerpremises