284122 Machine tools for drilling, boring or milling metal/ machine tools for threading or tapping metal n.e.c.

28412213 Numerically controlled drilling machines for working metal (excluding way-type unit head machines) 28412217 Numerically controlled knee-type milling machines for working metal (excluding boring-milling machines) 28412223 Numerically controlled tool-milling machines for working metal (excluding boring-milling machines, knee-type machines) 28412225 Numerically controlled milling machines for working metal (including plano-milling machines) (excluding boring-milling machines, knee-type, tool-milling machines) 28412233 Way-type unit heads for working metal by drilling, boring, milling, threading or tapping 28412235 Non-numerically controlled drilling machines for working metal (excluding way-type unit head machines) 28412240 Numerically controlled boring and boring-milling machines for working metal (excluding drilling machines) 28412260 Non-numerically controlled boring and boring-milling machines for working metal (excluding drilling machines) 28412270 Non-numerically controlled milling machines for working metal (excluding boring-milling machines) 28412280 Threading or tapping machines for working metal (excluding drilling machines)