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This document specifies a test chart for checking the optical density of negatives and for determing of reduction ratio of the microfilming.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| ICS | 37.080 : Document imaging applications
|
| Number of pages | 4 |
| Replace | DIN 19051-4 (1991-05) |
| Set | Bestandserhaltung in Archiven-2013 |
| Year | 2013 |
| Document history | DIN 19051-4 (2013-03) |
| Country | Germany |
| Keyword | DIN 19051;19051 |