NF C93-807-1-3*NF EN IEC 61280-1-3:2021 Fibre optic communication subsystem test procedures - Part 1-3 : general communication subsystems - Measurement of central wavelength, spectral width and additional spectral characteristics
2021NF C93-807-1-3*NF EN IEC 61280-1-3:2021 Fibre optic communication subsystem test procedures - Part 1-3 : general communication subsystems - Measurement of central wavelength, spectral width and additional spectral characteristics