9 intercommunication apparatus and instruments; namely, television receivers, television broadcasting apparatus, telephones, radio transmitters, radio receivers, satellites, antennas, modems, multiplexers, optical or radio data links, data or signal encoders and decoders, computers, computer memories, computer peripherals, computer programs relating to telecommunications, optical apparatus and instruments; namely, optical disc readers, prerecorded audio and video tapes relating to telecommunications; blank data storage discs, magnetic coated cards, blank audio and video tapes and blank tape cartridges, and tapes; telephone switching apparatus and instruments, call charging and telephone network control apparatus and instruments, and exposed cinematographic and photograph films and transparencies