[Class : 9] Transformers; Electric Transformers; Current Transformers; Voltage Transformers; Frequency Transformers; Distribution Transformers; High Voltage Transformers; Electric Mains Transformers; Power Packs Transformers; Capacitive Voltage Transformers; Electronic Power Transformers; Power Units Transformers; Acoustic Transformers; Flyback Transformers; Welding Transformers; Impedance Transformers; Step Up Transformers; Step Down Transformers; Dry Type Transformers; Electrical Reducing Transformers; Power Transformers For Amplification; Scientific, Nautical, Surveying, Photographic, Cinematographic, Optical, Weighing, Measuring, Signalling, Checking (Supervision), Life Saving And Teaching Apparatus And Instruments; Apparatus And Instruments For Conducting, Switching, Transforming, Accumulating, Regulating Or Controlling Electricity; Apparatus For Recording, Transmission Or Reproduction Of Sound Or Images; Magnetic Data Carriers, Recording Discs; Compact Discs, Dvds And Other Digital Recording Media; Mechanisms For Coin Operated Apparatus; Cash Registers, Calculating Machines, Data Processing Equipment, Computers; Computer Software; Fire Extinguishing Apparatus