9
Electric and electronic measuring, control and regulating apparatus and installations containing the aforesaid apparatus, for wind power, solar, heating, refrigerating, steam generating, drying, ventilating, water supply and sanitary purposes; measuring apparatus and parts therefor for recording energy loss; apparatus and installations containing the aforesaid apparatus for conducting, switching, transforming, accumulating, regulating and controlling electricity; Accumulators, electric; electronic regulating apparatus of all kinds for refrigeration and heating technology installations
11
Apparatus and installations containing the aforesaid apparatus, for heating, steam generating, refrigerating, cooling, drying, ventilating, water supply and sanitary purposes, and individual parts for the aforesaid apparatus and installations; heating boilers, instantaneous water heaters, water heaters (apparatus), heat accumulators, cold accumulating apparatus, absorbers, exhaust gas, air and water heat exchangers and installations containing the aforesaid apparatus, panel radiators, radiators, gas and oil burners, electric heating apparatus, solar collectors for heating, heat pumps, air-conditioning apparatus and installations containing the aforesaid apparatus, sorption reservoir installations, namely long-term storage installations for energy with a thermochemical base, and individual parts for the aforesaid apparatus and installations; fermenters (fermentation containers), gas purifying and gas drying apparatus and ventilating apparatus (air conditioning), and installations consisting thereof for generating biogas from biomass; heat exchangers with coupled combustion engines for electricity and heat generation, being complete units (combined heat and power plants) and individual parts therefor; installations with a pump and heat exchanger for the transfer of energy in the form of heat between a heat infeed station and a withdrawal station, installations containing the aforesaid apparatus and individual parts therefor; photovoltaic installations; refrigerating, air conditioning and ventilating installations, refrigeration installations, apparatus for refrigerating and freezing works; refrigerating containers and coolant hoses; refrigerated furniture; ice installations; parts and fittings; motors and engines for refrigerating installations and air conditioning installations; cooling agents of all kinds, including ammonia; condensers of all kinds, split air conditioning installations; cold water chillers and parts therefor, included in class 11; heat transfer installations; domestic fireplaces; under floor heating; heating elements; flat fronted radiators; heat transfer installations with mineral or synthetic heat transfer oils
37
Building construction, repair and installation of apparatus for heating, refrigerating, steam generating, drying, ventilating, solar, water supply, sanitary, measuring, control and regulating apparatus, and installations containing the aforesaid apparatus, and individual parts for the aforesaid apparatus and installations; maintenance, purification, installation, servicing and maintenance of heating apparatus and heating installations, refrigerating and air conditioning installations, and individual and complete installations, machines and apparatus; assembly of refrigerating and freezing cells, installation of air conditioning, heating and refrigerating installations; mounting, installation, repair and servicing of photovoltaic and solar installations