7 Reel-fed rotary printing machines for commercial or industrial use, and their components; printing cylinders for commercial or industrial printing machines, printing cylinder bearings and gearings for commercial or industrial printing machines; mechanical feed and discharge devices for the print material, being parts of commercial or industrial printing machines; mechanical cutting, folding, perforating, punching, numbering, sewing, sorting, collating, inserting, transport, storage, addressing and packaging devices for print products, all being component parts of commercial or industrial printing machines; washing devices in the nature of printing plate or printing blanket, and printing cylinder washing devices, being component parts of commercial or industrial printing machines; perforating devices for printing plates in the nature of hole punchers, being component parts of commercial or industrial printing machines; printing plate bending devices in the nature of hydraulic bending machines, being component parts of commercial or accessories for industrial printing machines; printing plates, printing forms and sleeve-shaped printing forms being component parts or accessories of commercial or industrial printing machines; printing forms in the form of print image transmission carriers being component parts of or accessories for commercial or industrial printing machines; mechanical changing devices for printing forms in the nature of air pressure mechanics, being component parts of accessory parts of commercial or industrial printing machines, loading devices in the nature of paper feeders, being component parts of commercial or industrial printing machines, reel stands being component parts of commercial or industrial printing machines, reel storage devices in the nature of stackers, being component parts of commercial or industrial printing machines, mechanical winding devices in the nature of paper winding, being component parts of commercial or industrial printing machines, mechanical gluing devices in the nature of gluing heads, being component parts of commercial or industrial printing machines, mechanical web tearing monitoring devices in the nature of paper web tension and cutting mechanics, being component parts of commercial or industrial printing machines, mechanical and electronic ink leveling devices in the nature of fluid level measurements, being component parts of commercial or industrial printing machines, impression systems consisting of cylinders and rollers for rotary printing machines, all being component parts or accessory parts of printing machines; paper driers, cooling devices in the nature of chill rolls, water supply devices in the nature of dampening units, in each case as parts of commercial or industrial printing machines