284132 Machines for shearing, punching and notching metal

28413220 Numerically controlled shearing machines for working metal (including presses) (excluding combined punching and shearing machines) 28413240 Numerically controlled punching or notching machines for working metal (including presses, combined punching and shearing machines) 28413260 Non-numerically controlled shearing machines for working metal (including presses) (excluding combined punching and shearing machines) 28413280 Non-numerically controlled punching or notching machines for working metal (including presses, combined punching and shearing machines)