NXN

Surface coatings in the nature of paints for nitriding of machines, apparatus, motor parts, or motors; wear protection coatings in the nature of paints for nitriding of machines, apparatus, motor parts or motors, in particular piston rings or pistons

Pistons and parts thereof for machines and motors; piston rings; shock absorbers for machines

Vehicles, namely, land vehicles, trucks, cars, space vehicles; apparatus for locomotion by land, air or water, namely, land vehicles, trucks, cars, space vehicles