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ČSN is a protected designation of Czech national technical standards.
WITHDRAWN published on 17.6.1980
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WITHDRAWN published on 17.6.1980
Selected format:Refractories. Magnesite and magnesite-lime materials. Determination of silicon dioxide. Gravimetric, photometric and atomic absorption methods
WITHDRAWN published on 20.7.1990
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WITHDRAWN published on 17.6.1980
Selected format:Refractories. Magnesite and magnesite-lime materials. Determination of ferric oxide. Complexometric atomic absorption and photometric methods
WITHDRAWN published on 20.7.1990
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WITHDRAWN published on 17.6.1980
Selected format:Refractories. Magnesite and magnesite-lime materials. Determination of aluminium oxide. Photometric, complexometric and atomic absorption
WITHDRAWN published on 22.2.1991
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WITHDRAWN published on 17.6.1980
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WITHDRAWN published on 17.6.1980
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WITHDRAWN published on 17.6.1980
Selected format:Latest update: 2026-07-15 (Number of items: 2 287 995)
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