Advertising display signs (electric or luminous); advertising signboards (electric); advertising signboards (luminous); electronic heart signal monitors (other than for medical use); electronic interlocking modules for railway signal cabins; electronic mixers for mixing signals in the production of audio recordings; electronic signal generating apparatus; electronic signal processing apparatus; flashing lights (luminous signals); illuminated advertising signs; illuminated signposts; illuminated signs; illuminated signs used for advertising; image sign generators; instruments for signalling; luminous electric signs; luminous signals; luminous signals for giving information to pedestrians; luminous signals with relays; luminous signs; luminous signs for roads