1
Filter media being chemical-physical products, in particular containing filter beds and filter materials, mainly consisting of minerals, diatomite, perlite and/or fibres of plastic, in particular in cartridge or module form
7
Filter devices, filter apparatus, filter modules, filter cartridges, filter elements, in particular filter candles, including being prefilters, and filter media being physical products, in particular containing filter beds and filter materials, including with organic and inorganic filling materials, including filling materials in the form of fibrous matter, ion-exchanging, absorbent and adsorbent filter auxiliaries and additives, and filter auxiliaries and additives functioning by means of covalent bonds, chemical additives, including wet strength agents, resins, surfactants, polymers, waterproofing agents and hydrophilic agents; all the aforesaid goods being parts of machines and installations constructed therefrom, for the filtration, clarifying and sterilising of fluids, in particular in the drinks and food industry, and in the pharmaceutical, cosmetics, electronic and chemical industries
9
Scientific, laboratory and measuring apparatus and instruments, filter systems for laboratory purposes, ultrafiltration devices and apparatus, ultrafiltration membranes, chromatography apparatus and instruments, ion exchanger apparatus and instruments, laboratory concentrator devices
11
Filter devices, filter apparatus, filter modules, filter cartridges, filter elements, in particular filter candles, including being prefilters, filter membranes; all the aforesaid goods for the filtration, clarifying and sterilising of fluids, in particular in the drinks and food industry, and in the pharmaceutical, cosmetics, electronic and chemical industries