7 PRINTING PRESSES AND THEIR COMPONENTS; GRAPHIC ARTS MACHINERY AND THEIR COMPONENTS; PRINT CONVERTING MACHINERY AND THEIR COMPONENTS; ACCESSORIES FOR THE ABOVE-MENTIONED MACHINERY, NAMELY REGULATING DEVICES, CONTROL DEVICES, MONITORING DEVICES, MECHANICAL TRANSPORT SYSTEMS, PRINTING COUPLES, INKING UNITS, DAMPENERS, MECHANICAL FOLDING SYSTEMS, REELSTANDS, WEB TENSION CONTROLS