<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_es">componentes sistemas de telecomunicación</topic></authority><related type="narrower"><topic>receptores de televisión</topic></related><related type="narrower"><topic>receptores de radio</topic></related><related type="narrower"><topic>teléfonos</topic></related><related type="narrower"><topic>transceivers</topic></related><related type="narrower"><topic>antenas</topic></related><related type="narrower"><topic>field telephones</topic></related><related type="narrower"><topic>cables telefónicos</topic></related><related type="narrower"><topic>microphones (traducció pendent)</topic></related><related type="narrower"><topic>telegraphs (traducció pendent)</topic></related><related type="narrower"><topic>liquid crystal displays (traducció pendent)</topic></related><related type="narrower"><topic>remote controls (traducció pendent)</topic></related><related type="narrower"><topic>[temporary alphabetical list: telecommunication systems components (traducció pendent)]</topic></related><related type="narrower"><topic>fax machines (traducció pendent)</topic></related><related type="narrower"><topic>electronic filters (traducció pendent)</topic></related><related type="narrower"><topic>televisions (traducció pendent)</topic></related><related type="broader"><topic>componentes de sistemas</topic></related><related type="broader"><topic>sistemas de telecomunicaciones</topic></related></mads>