9
Air flow sensors for use in ventilating apparatus and cooker hoods; air flow measuring, regulating and controlling apparatus; controlling and monitoring apparatus for operating lighting devices, including ultra violet lamps in ventilating apparatus and cooker hoods
11
Ventilating apparatus and installations; ventilating fans for industrial and household use; cooker hoods; cooker hoods with airflow measuring and controlling units; ventilating hoods for institutional kitchens; adjustable air flow nozzles for air supply devices; air ducts; lighting devices and fixtures for use in ventilating apparatus, including ultra violet lamps for use in cooker hoods; grease filters and separators being parts of cooker hoods
37
Maintenance, repair and installation of ventilating apparatus and installations
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