DIN EN 61280-1-3:2011 Fibre optic communication subsystem test procedures - Part 1-3: General communication subsystems - Central wavelength and spectral width measurement (IEC 61280-1-3:2010); German version EN 61280-1-3:2010
2011DIN EN 61280-1-3:2011 Fibre optic communication subsystem test procedures - Part 1-3: General communication subsystems - Central wavelength and spectral width measurement (IEC 61280-1-3:2010); German version EN 61280-1-3:2010