7 Rotary printing machines, automatic welding machines, grinding machines and parts and fittings thereof not included in other classes; cutters and cutters-rewinders for slitting plastic, films, papers, cellulose films, laminates, supported and unsupported aluminum foil, and similar materials; vulcanizing presses for plastic, plastic films, papers, cellulose films, laminates and aluminum foil; lamination machines for lamination of plastic, plastic films, papers, cellulose films and aluminum foil; cliche fixing machines for sealing, packaging, converting and printing; flexographic printing and converting presses; color impression flexogrphic printing and converting presses; machines for graphic art, paper and cardboard handling, namely, printing presses and machines, packaging machines, converting and sealing machines