Advertising display signs (electric or luminous); advertising signboards (electric); advertising signboards (luminous); aerials for the reception of signals; apparatus for displaying picture signals; apparatus for electrical signal transmission; apparatus for optical signal transmission; apparatus for processing digital video signals; apparatus for signalling; apparatus for signalling vehicles; apparatus for the remote control of signals; apparatus for transmitting audio signals; apparatus for transmitting electronic signals; apparatus for transmitting radio signals by cable; apparatus for transmitting signals; apparatus for transmitting television signals via satellite; digital audio signal processors; digital signal processing apparatus; directional signage (luminous or mechanical); display signs of metal (luminous or mechanical); display signs of non-metallic materials (luminous or mechanical); electric amplifiers (signal); electric apparatus for the exchange of digital signals; electric apparatus for the transmission of analogue signals; electric apparatus for the transmission of digital signals; electric signalling apparatus; electric signs; electrical apparatus for converting signals into visual information; electrical apparatus for the signalling of personnel; electrical units for signal conditioning; electro-dynamic apparatus for the remote control of signals; electromechanical signs for public information; electronic mixers for mixing signals; electronic mixers for mixing signals in the production of audio recordings; electronic signal generating apparatus; electronic signal processing apparatus; electronic signal processing apparatus for musical instruments; electronic signal transmission apparatus; electronic signal transmitters; electronic units for transmitting audio signals; fixed electronic signal filters; flashing lights (luminous signals); flashlight signalling apparatus; illuminated advertising signs; illuminated signposts; illuminated signs; illuminated signs used for advertising; image sign generators; instruments for signalling; instruments for use in reception of electronic signals; luminous signs; luminous signs for roads; mechanical illuminated signboards; metal signboards (electric); metal signboards (luminous); metal signboards (mechanical); modular sign panels (luminous); neon lights (signals); neon signs; notice boards (luminous signboards); outdoor signboards of metal (luminous); outdoor signboards of metal (mechanical); photo luminescent signs; portable signs (luminous) for roads; portable signs (mechanical) for roads; process signal converters; safety signals (luminous); safety signals (mechanical); safety signals in the form of flashing lights; safety signs (luminous); safety signs (mechanical); set-top boxes (digital signal receivers); sign apparatus (luminous, mechanical) for roads; sign apparatus (luminous, non-mechanical) for roads; sign apparatus (non-metallic, luminous, mechanical) for roads; sign boards (luminous); sign boards (mechanical); signal transmission apparatus; signal transmitters; signal transmitting apparatus utilising optical fibres; signalisation apparatus for railways; signalling apparatus; signalling apparatus using fluorescent lamps; signalling equipment; signalling instruments; signalling lamps; signalling panels, luminous or mechanical; signals, luminous or mechanical; signs being illuminated; signs being luminous; signs being photo luminescent; signs being reflective; signs made of plastics (luminous or mechanical); signs of metal (luminous or mechanical); signs, luminous; signs, luminous, inflatable; traffic signs (luminous); traffic signs (mechanical); transparencies for luminous signs