ENVIRONMENT #672644 IATE #49149 banda speictreach Tagairt an Ghníomhaireacht Eorpach Comhshaoil (GEC) ga Spektralbandde spectral banden Sainmhíniú 1.Closely grouped bands of lines characteristic of molecular gases of chemical compounds (spectroscopy). Tagairt 1.DICCHE; bande spectralefr