20.99 15. 9. 2026.
ISO
ISO/TC 206
Međunarodni standard
This document specifies the requirements for the laminated-type reference mirrors consisting of an Ag or Al metal thin film layer used for relative measurements of regular spectral reflectance of fine ceramic coatings day-to-day in laboratory room or quality assurance rooms.
PROJEKAT
ISO/WD 8842
20.99
Prednacrt standarda prihvata se kao nacrt standarda
15. 9. 2026.