Lamps; Searchlights; Air-conditioning installations and apparatus; Air sterilisers; Lighting apparatus for vehicles; Lighting installations; Smoke generating machines for creating special theatrical effects; Solar collectors for heating; Stage lighting apparatus

Microphones; Cabinets for loudspeakers; Electric light dimmers; Horns for loudspeakers; Lighting ballasts; Transmitters of electronic signals; Voltage regulators

Cabinets for loudspeakers; [ microphones; horns for loudspeakers; electrical connectors, namely, acoustic connectors; electric sound compounding pieces, namely, audio speaker enclosures; lighting ballasts; transmitters of electronic signals; speed regulators for record players; step-up transformers; ] electrical lighting regulators used for stage sets and home lighting sets