menú interactivo de símbolos eléctricos
TRANSCRIPT
http://www.simbologia-electronica.com/simbolos-electricos-electronicos/simbolos-efecto-radiacion.htm
http://www.simbologia-electronica.com/simbolos-electricos-electronicos/simbolos-fuentes-termicas.htm
http://www.simbologia-electronica.com/simbolos-electricos-electronicos/simbolos-nucleos-ferricos.htm