[Class : 9] Manufacturing And Trading Of Amplifier, Microphone, Speaker, Loud Speaker Including Scientific, Nautical, Surveying, Photographic, Cinematographic, Optical, Weighing, Measuring, Signaling, 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; Automatic Vending Machines And Mechanisms For Coin Operated Apparatus; Cash Registers, Calculating Machines, Data Processing Equipment And Computers; Fire Extinguishing Apparatus.