Laser desorption plates for use in analytical analysis; Laser detectors for acousto-optic devices and systems; Laser device for projecting a visible line on a work piece to be cut by a rotary power saw; Laser equipment for non-medical purposes; Laser level measuring apparatus; Laser measuring systems; Laser scanners for industrial inspection; Lasers for industrial use; Lasers for measuring; Lasers for measuring purposes; Lasers for non-medical purposes; Lasers for the treatment of metal surfa...