[Class : 9] Scientific, Surveying, Optical, Weighing, Measuring, Signalling, Checking (Supervision), Life Saving 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 Included In Class 9