DIN EN 60793-1-40:2004 Optical fibres - Part 1-40: Measurement methods and test procedures - Attenuation (IEC 60793-1-40:2001, modified); German version EN 60793-1-40:2003
2004DIN EN 60793-1-40:2004 Optical fibres - Part 1-40: Measurement methods and test procedures - Attenuation (IEC 60793-1-40:2001, modified); German version EN 60793-1-40:2003
2002DIN EN 60793-1-46:2002 Optical fibres - Part 1-46: Measurement methods and test procedures; Monitoring of changes in optical transmittance (IEC 60793-1-46:2001); German version EN 60793-1-46:2002