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- Manufacture of photo-copying apparatus incorporating an optical system or of the contact type and thermo -copying apparatus (1)
- Manufacture of computer peripherals like magnetic disk/floppy/ winchester disk drives, magnetic tape /cassette/cartidge drives; punch tape readers, curve followers, graph plotters; serial/daisy wheel/line printers, data entry equipment with or without visual display; web camera (digital); magnetic or optical readers; machines for transcribing data onto data media in coded form; and so forth (1)