90.20 Standard under periodical review Jan 15, 2024
ISO
ISO/TC 171 Document management applications
International Standard
37.080 Document imaging applications
Published
This document specifies visual diffuse transmission densities for second generation silver-gelatin and diazo microforms and projection densities for second generation vesicular microforms. It also specifies methods of measurement.
It does not apply to duplicates of microforms of technical drawings and other drawing office documents.
WITHDRAWN
ISO 8126:2000
PUBLISHED
ISO 8126:2019
90.20
Standard under periodical review
Jan 15, 2024