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Rocks. Method for determination of elastic longitudinal and diametrical waves rate spreading
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Chromium ores and concentrates. Method for determination of ferrous protoxide (II)
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Petroleum and natural gas industries. Materials for use in H2S-containing environments in oil and gas production. Part 2. Cracking-resistant carbon and low-alloy steels and the use of cast irons
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Iron ores, concentrates, agglomerates and pellets. Determination of sulfur content. Barium sulfate gravimetric method
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