KS I ISO 11564:2014 Stationary source emissions — Determination of the mass concentration of nitrogen oxides(naphthylethylenediamine photometric method)
2014KS I ISO 11564:2014 Stationary source emissions — Determination of the mass concentration of nitrogen oxides(naphthylethylenediamine photometric method)
2004KS I ISO 11564:2004 Stationary source emissions-Determination of the mass concentrationof nitrogen oxides(Naphthylethylenediamine photometric method)