9
Switchgear [electric]; Electric reactors; Transformers; Electrical transformers; Transformers [electricity]; Uninterruptible electrical power supplies; Uninterruptable power supply apparatus; Uninterruptible power supply apparatus [battery]; Magnetic coils; Photovoltaic inverters; Electronic controllers; Electrical controllers; High-frequency switching power supplies; Rectifier modules; Frequency stabilizers; Electronic control units; Radio-frequency filters; Reflection filters; Armatures [electricity]; Electrical armatures; Armatures for use in electrical apparatus; Choking coils for use in electrical apparatus; Electrical converters; Converters, electric; Electric converters; Rectifiers; Electric rectifiers; Electrical rectifiers; Inverters; Electrical inverters; Inverters [electricity]; Electrical adaptors; Electric adaptors; Adaptors (Electric -); Home automation devices; Magnetic gyrocompasses; Battery compensation chargers; Battery chargers; Chargers for batteries; Photovoltaic apparatus for generating electricity; Photovoltaic apparatus and installations for generating solar electricity; Wireless chargers; Solar-powered battery chargers; Auxiliary battery packs; Portable power supplies (rechargeable batteries)
42
Technical design and planning of power stations; Research in the field of energy; Scientific research and development; Product development consultation; Engineering design services; Technical research services; Consultancy services in the field of technological development; Research to develop new products; Design of telecommunications apparatus and equipment; Information technology [IT] consulting services; Technological services; Technological consulting services for digital transformation; Electrical safety research; Safety technological testing services; Testing (Material -); Testing of materials; Materials testing; Testing of apparatus in the field of electrical engineering; Software design and development; Artificial intelligence consultancy; Technology consultation in the field of artificial intelligence