7
Liquid filters; gas filters; multistage filters; changeover filters; filter elements; filter candles; filter cartridges; filter bodies; filter sheets; filter mats; filter pots; filter cloths; filter bags; filter bands for machines and machine tools, for hydraulic circuits including operating circuits, and for drives, including travelling gear for vehicles, in particular for construction machines, agricultural machines and industrial vehicles, and for vehicle engineering in general; the aforesaid filters and filter elements in particular for liquid and gaseous media
11
Filters; liquid filters; gas filters; multistage filters; changeover filters; filter elements; Filter candles; filter cartridges; filter bodies; filter sheets; filter mats; filter pots; filter cloths; filter bags; filter bands for heating, steam-generating, refrigerating, drying, ventilating, water conduit, water treatment, air-conditioning, and sanitary installations and apparatus; the aforesaid filters and filter elements in particular for liquid and gaseous media; apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
20
Filter and filter elements made of plastic; the aforesaid filter elements for liquid and gaseous media