Electric rectifiers; Rectifiers; Silicon controlled rectifiers; Battery chargers; Electric battery chargers; Battery charging apparatus for vehicles; Charging systems for battery operated appliances; Electrical apparatus for converting alternating current to direct current; Apparatus for controlling the supply of electrical current; Apparatus for the control of electric current; Electric current rectifiers; Electric power supplies being rectifiers for marine use; Power supply apparatus (rectifiers); Power supply devices (rectifiers); Power supply units (rectifiers); Power supply units comprising rectifiers; Electric power converters; Alternating current power apparatus; Alternating current power installations; Power modules; Power supply devices for battery chargers; Uninterruptable power supply apparatus; Uninterruptable power supply instruments; Power units for supplying (other than generating) electrical current; Electric power supply units; Electric power units; Electrical power packs comprising transformers and rectifiers; Electrical power supply apparatus (other than generators); High voltage power supplies; Power supply units being scientific apparatus; Switch mode power supply apparatus (electric); Switched mode power supply apparatus (electric); Switching power supply apparatus

Design engineering; Design of electrical systems; Design of electronic systems; Design of electric circuit boards; Design of manufacturing apparatus; Design of new products; Design of products; Design of prototypes; Electrical engineering services (design); Engineering design; Industrial engineering design services; Mechanical engineering services (design); Provision of information in relation to industrial design services; Provision of information relating to industrial design; Providing information, including online, about scientific and technological services and research and design relating thereto; Research relating to design; Advisory services relating to technological research; Electrical research; Engineering research; Industrial research of new products; Research and development of new products for others; Research relating to engineering; Research relating to technology; Research to develop new products; Research, engineering and technical consultancy for industry; Technical research into the development of new products; Technological research