-
1
Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
chemical products for water conditioning, water treatment, water purification, desalting of salt-water as well as conditioning, treatment, purification, desalting of all kinds of liquids, gases and for nanofiltration, microfiltration, ultrafiltration and reverse osmosis; water purification agents, water softening agents, desalting agents, all aforementioned goods for desalting of all kinds of liquids, gases and for nanofiltration, microfiltration, ultrafiltration and reverse osmosis
-
7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
[ membrane filters being engine parts, namely, liquid filters for engines, component parts of such membrane filters ]
-
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
membranes operated through compression and diffusion for the processing of liquids, namely, liquid processing equipment, including water treatment equipment, with all such liquid processing equipment being membrane separation units
-
17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal.
sheets of plastic for use in the manufacture of filtration devices and membrane separation devices; membrane sheets of plastic, namely, for use in the manufacture of filtration devices and membrane separation devices; filter material consisting of sheets of plastic and membrane sheets of plastic, namely, for use in the manufacture of filtration devices and membrane separation devices