WALL-MARKER INTERACTIVE PROJECTOR

Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking for supervision, life-saving and teaching apparatus and instruments, namely, cinematographic projectors; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electrical transformers; apparatus for recording, transmission and reproduction of sound and images; cameras; interactive projector in the nature of video projectors; electronic pen; magnetic data carriers, namely, blank magnetic data carriers; recording discs, namely, blank optical disks