11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; process engineering installations; heat exchangers; steam generators; circulating pumps; activated carbon filters; gas filters; air filters; exhausts; Refrigeration installations; ventilating fans; heat pumps; heat regenerators; heat accumulators
35
Advertising; Business management; Business administration; Office functions; Retailing and wholesaling of apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, process engineering installations, and parts and assemblies therefor, heat exchangers, steam generators, recirculating pumps, heat pumps, filters, activated carbon filters, gas filters, air filters, containers, control and regulating accessories, exhaust gas installations, and parts and assemblies therefor, refrigerating installations, fans, heat pumps, heat recovery units, heat accumulators, including by mail order catalogue or with the aid of electronic media
37
Installation, maintenance, servicing and repair of process engineering installations and components therefor, in particular heat exchangers, steam generators, pumps, filters, containers, control and regulating apparatus, exhaust gas installations, and parts and assemblies therefor, refrigerating installations, fans, heat pumps, heat recovery units, heat accumulators
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; engineering services; construction drafting; construction and technical consultancy; providing of expert opinion; technical project studies; planning and development of process engineering installations and components therefor, in particular heat exchangers, steam generators, pumps, filters, containers, control and regulating apparatus, exhaust gas installations, and parts and assemblies therefor, refrigerating installations, fans, heat pumps, heat recovery units, heat accumulators; technical project management in the field of process engineering installations; surveying