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ČSN is a protected designation of Czech national technical standards.
Phthalic anhydride. Measurement of colour of molten material
WITHDRAWN published on 26.11.1980
Selected format:Phthalic anhydride. Measurement of colour stability
WITHDRAWN published on 26.11.1980
Selected format:Acetanhydrid.
WITHDRAWN published on 13.1.1983
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WITHDRAWN published on 10.2.1967
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WITHDRAWN published on 30.10.1953
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WITHDRAWN published on 17.6.1964
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WITHDRAWN published on 28.2.1956
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WITHDRAWN published on 24.7.1968
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WITHDRAWN published on 18.2.1966
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WITHDRAWN published on 18.2.1966
Selected format:Latest update: 2026-08-14 (Number of items: 2 293 479)
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