2489.

Parts of machines, namely, gas springs, regulated pneumatic springs, connections for pneumatic springs, fittings for pneumatic springs, piston rods, guide bushes, cylinder bodies for pneumatic springs, damping pistons for pneumatic springs, couplings for machines, standard components for tool manufacture being parts of machines or machine tools, namely, strippers, locating bolts for round springs, chucks, shaft sleeves for springs, drilling bushes with or without a collar; standard components for tool manufacture in the form of parts of machines or machine tools, namely, bolt guides, bushings, collar bushings, springs, flexible pressure pieces, spring washers, spring plates, accessories for spring plates, printing plates