Rectifiers, current controllers, current limiters, uninterruptible power supply systems, battery chargers and their fittings; batteries, assembled batteries, groups of batteries, battery packs having a battery charger and/or controllers and batteries; capacitance measuring instruments; telephone sets, cellular phones, wireless communication apparatus, radio apparatus; computers, video apparatus (camcorders), controlling apparatus for battery chargers, and semi-conductor devices

Repair and maintenance of power distributing or controlling machines and apparatus; repair and maintenance of electric and magnetic measuring instruments; repair and maintenance of household electric machines and apparatus; repair and maintenance of electric communication machines and apparatus; repair and maintenance of electronic machines and apparatus; repair and maintenance of storage batteries

Land information system computer software and geographic information systems computer software