LST EN 60793-1-46-2003 Optical fibres. Part 1-46: Measurement methods and test procedures. Monitoring of changes in optical transmittance (IEC 60793-1-46:2001)
2003LST EN 60793-1-46-2003 Optical fibres. Part 1-46: Measurement methods and test procedures. Monitoring of changes in optical transmittance (IEC 60793-1-46:2001)