Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signaling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; computers and computer peripheral devices; audiovisual and photographic devices; 3D glasses; 3D spectacles; electronic imaging devices; led displays; micro led displays; led micro...