[Class : 9] All Types Of Online & Offline Ups Systems, Inverter, Static Transformer, Servo Stabalizers, Battery Charger & Cvts Including And Nautical, Surveying Scientific, And Electrical Apparatus And Instruments (Including Wireless) Photographic, Cinematographic, Optical, Weighing, Measuring, Signalling, Checking (Supervision) Life Saving And Teaching Apparatus And ...