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Methods for the petrographic analysis of bituminous coal and anthracite. Part 2. Method of preparing coal samples

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Acid 2-aminobenzoic technical. Specifications

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Iron ores, concentrates, agglomerates and pellets. Methods of the determination of chromium content

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Residual fuel oils. Test for straight-run. Method for determination of peptization number

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Ion-exchange membranes. Method for determination of water

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Cryolite artificial technical. Specifications

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