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Petroleum bitumens. Method of separation into four fractions

Document status: Active

Solid mineral fuel. Calculation of analyses to different bases

Document status: Cancelled

Underground monorail diesel powered transport. General technical requirements and test methods

Document status: Active

Bauxite. Methods for determination of chromium oxide (III) content

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Iron ores, concentrates, agglomerates and pellets. Method for the determination of divalent iron calculated as ferrous oxide

Document status: Withdrawn

Iron ores and concentrates. Method for determination of external specific surface

Document status: Active