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ČSN is a protected designation of Czech national technical standards.
WITHDRAWN published on 12.5.1981
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WITHDRAWN published on 21.5.1984
Selected format:Photography - Density measurements - Part 4: Geometric conditions for reflection density
WITHDRAWN published on 1.8.1997
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WITHDRAWN published on 11.6.1982
Selected format:Photographic materials. Determination of gradient and gamma value of materials on transparent base
WITHDRAWN published on 11.3.1983
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WITHDRAWN published on 11.3.1983
Selected format:Photographic materials. Exposure conditions for medical x-ray films used with fluorescent screens
WITHDRAWN published on 10.4.1987
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WITHDRAWN published on 27.4.1983
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WITHDRAWN published on 6.1.1983
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WITHDRAWN published on 11.3.1983
Selected format:Latest update: 2026-08-13 (Number of items: 2 292 670)
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