Heating apparatus, electric; electric heating installations; central heating systems and components therefor, included in this class; air-conditioning apparatus and installations; air humidifying and air de-humidifying apparatus, and air dryers; filters for air conditioning and air filtering installation; ventilating apparatus and installations (air conditioning); heat pumps; heat exchangers and heat regenerators; brine distributors (parts of heating installations); solar-operated refrigerating installations, in particular adsorption and absorption heat pumps for heating and cooling of buildings

Chemicals for use in agriculture, horticulture and forestry; compost, manures, fertilizers; biological preparations being amino acids to be used as a bio-stimulant for use in industry and science

Veterinary preparations, food supplements, food supplements for animals, dietetic food supplements for animals, vitamin and mineral food supplements, medicines for veterinary purposes, biological preparations for veterinary purposes, chemical preparations for veterinary purposes.

Dental restorative compounds; dental resin adhesive cement