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ČSN is a protected designation of Czech national technical standards.
Testing of brick clays. Determination of free crystalline silicium dioxide
Standard published on 21.9.1989
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WITHDRAWN published on 27.12.1977
Selected format:Graphite. Chemical analysis
Standard published on 3.5.1991
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WITHDRAWN published on 30.11.1954
Selected format:Talc. Common regulations
Standard published on 3.5.1991
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WITHDRAWN published on 10.10.1962
Selected format:Talc. Chemical and physical analysis
Standard published on 3.5.1991
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WITHDRAWN published on 8.1.1964
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WITHDRAWN published on 19.1.1965
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WITHDRAWN published on 8.12.1966
Selected format:Latest update: 2026-09-15 (Number of items: 2 301 408)
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