IEC 60793-1-20:2001 Optical Fibres - Part 1-20: Measurement Methods and Test Procedures - Fibre Geometry (Edition 1.0; Together with the Other Standards in the IEC 60793-1-2X Series)
IEC 60793-1-21:2001 Optical fibres - Part 1-21: Measurement methods and test procedures - Coating geometry
GOST R IEC 60793-1-31-2010 history
2010GOST R IEC 60793-1-31-2010 Optical fibres. Part 1-31. Measurement methods and test procedures. Tensile strength