35 Commercial trading and consumer information services, namely, auctioneering services, business intermediary services, arranging of competitions for advertising purposes, commercial information agency services, import and export agency services, negotiation and conclusion of commercial transactions for third parties, price comparison services; retail store services, wholesale store services, mail order retail services, online retail store services and online wholesale store services featuring chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry, filtering materials, building materials, building elements and process equipment of metal, machines and spare parts therefor for use in power stations, for generating electricity and for use in the gas and processing industries, compressors and spare parts therefor, aerocondensers and spare parts therefor, machines and plants composed thereof for the processing of foodstuffs as well as spare parts therefor, machines and machine tools, apparatus, devices and parts for the processing industry as well as spare parts therefor, pumps and spare parts therefor, blowing machines and turbines as well as spare parts therefor, heat exchangers being parts of machines and spare parts therefor, safety, security, protection and signaling apparatus and equipment as well as spare parts therefor, regulating, checking, controlling, measuring apparatus and devices and electric or electronic switch gears as well as spare parts therefor, industrial treatment installations, namely, gas cleaners and purifiers, chemical processing equipment, industrial installations for filtering liquids, installations for collecting gases, installations for collecting liquids as well as spare parts for the aforesaid installations and equipment, nuclear installations, refrigerating and freezing equipment, heating, ventilating, air conditioning and air purifying apparatus and installations as well as spare parts therefor, apparatus and instruments as well as spare parts therefor for conducting, switching, transforming, accumulating, regulating and controlling electricity, plastic parts for air filters and air filter installations, for water filters and water filter installations, for cooling apparatus and installations and cooling towers, for air humidifying apparatus and installations, for gas scrubbing apparatus and installations, for ventilating apparatus and installations, for application in mass transfer processes, and/or for seepage apparatus and installations for rain water or waste water, process control systems, namely, electrotechnical and electronic apparatus and equipment for process monitoring and process control, for the collection, processing and output of data as well as spare parts for the aforesaid apparatus and equipment, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes as well as spare parts therefor, heat exchangers and accessories for heat exchangers as well as spare parts therefor, transportable buildings not of metal, non-metallic building materials, and filtering materials of textile; consultancy, advisory and information services relating to the aforesaid services