[Class : 9] Apparatus And Instruments For Measuring, Signaling, Conducting, Switching, Transforming, Accumulating, Regulating, Controlling And Protection Of Electricity; Thermometers, Light Meters, Tachometers, Anemometers, Distance Meters, Humidity Meters, Sound Meters, Gas Detectors, 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; Calculating Machines, Data Processing Equipment And Computers;