35 import and export agency services at the wholesale level in the field of eyeglasses, sunglasses, eyeglass frames, spectacle glasses, eyeglass cases, contact lenses, containers for contact lenses, scientific, optical, weighing, measuring and checking apparatus and instruments, apparatus for recording, transmission or reproduction of sound or images, blank magnetic data carriers, blank recording discs, data processing equipment, computers and computer software, business intermediary services in the field of trading of contact lenses, sunglasses, eyeglass frames, spectacle glasses, eyeglass cases, containers for contact lenses, scientific, optical, weighing, measuring and checking apparatus and instruments, apparatus for recording, transmission or reproduction of sound or images, blank magnetic data carriers, blank recording discs, data processing equipment, computers and computer software, business management; business management and business economical consultancy