20.99 Nov 5, 2025
CD Jun 26, 2026
IEC
TC 86/SC 86A
International Standard
PUBLISHED
IEC 60793-1-21:2001 ED1
PROJECT
IEC 60793-1-21 ED2
20.99
WD approved for registration as CD
Nov 5, 2025
Optical fibres - Part 1-21: Measurement methods and test procedures - Coating geometry
10.99 New project approved