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
Published
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