Measuring machines for measuring the position of machine tools and work pieces relative to metal working machines and pallets; calipers included in tool and work piece measuring stations; electric and electronic measuring instruments and apparatus for measuring metal working machine tools and work pieces, electronic identification devices for identifying machine tools and work pieces, namely, magnetically and optically encoded labeling therefor, namely, magneto-optical pens; optical apparatus...

D.C. MOTORS AND ELECTRO-DISCHARGE MACHINES

computer software for use in automated production management and manufacturing operations