ELECTRONIC DOOR OPENERS AND ELECTRONIC GATE OPENERS; APPARATUS FOR CONTROLLING DIRECTIONS OF SURVEILLANCE VIDEO CAMERAS, NAMELY, ELECTRONIC MOVABLE MOUNTINGS FOR SURVEILLANCE VIDEO CAMERAS; COMPUTER HARDWARE AND SOFTWARE USED FOR TEACHING WORKING PROCEDURES TO INDUSTRIAL ROBOTS; APPARATUS FOR RECORDING, TRANSMISSION OR REPRODUCTION OF SOUND OR IMAGES, NAMELY, CAMERAS; AN AUDIO VISUAL APPARATUS CONTROL DEVICE, NAMELY - PROJECTORS; BLANK MAGNETIC DATA CARRIERS; RECORDING DISCS, NAMELY, BLANK DI...