90.92 Standard to be revised Dec 21, 2023
ISO
ISO/TC 172/SC 3 Optical materials and components
International Standard
37.020 Optical equipment
This document specifies the general procedures of the powder test method for the water resistance of optical glass.
PUBLISHED
ISO 21575:2018
90.92
Standard to be revised
Dec 21, 2023
IN_DEVELOPMENT
ISO/CD 21575