[Class : 9] Electric Current Transformers For Aircraft; Electric Grid Converters For Aircraft; Voltage Converter For Aircraft; Electric Conversion System For Aircraft; Electric Conversion Equipment For Aircraft; Testing Devices For Aircraft Electronics; Electric Regulating Apparatus For Aircraft; Measuring, Detecting, Monitoring And Controlling Apparatus For Aircraft. [Class : 37] Repair, Overhaul, Reconditioning, Adaptation, Modification, Servicing And Maintenance Of Electric And Electronic Apparatus, Instruments, Systems, Material And Equipment For Use In The Aeronautical And Defense Fields. [Class : 42] Quality Control, Authentication And Testing; Development Of Energy And Electricity Management Systems For Aircraft; Scientific And Technological Services; Scientific And Technological Services And Advisory Services In Relation To The Following Goods: Electric Current Transformers For Aircraft, Electric Grid Converters For Aircraft, Voltage Converters For Aircraft, Electric Conversion Systems For Aircraft, Electric Conversion Equipment For Aircraft, Testing Devices For Aircraft Electronics, Electric Regulating Apparatus For Aircraft, Measuring, Detecting, Monitoring And Controlling Apparatus For Aircraft.