7 Piston segments, especially single and double wound steel lamellar piston rings
6 Circlips of metal, especially single and double wound steel lamellar securing rings; ring holders for gaskets; clamping rings, of steel; steel springs, especially, spring washers
17 Metal gasket rings, especially single and double wound steel lamellar gaskets
42 Technical engineering, especially, in relation to the following goods: slat seals, snap rings for slats, piston segments for slats and applications thereof, other than accumulator technology, battery technology and solar technology