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Implants for surgery. Wear of total intervertebral spinal disc prostheses. Part 3. Impingement-wear testing and corresponding environmental conditions for test of lumbar prostheses under adverse kinematic conditions
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Rare-earth metals and their oxides. Method of determination of cerium and terbium
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Pipeline valves. Ball valves for trunk oil pipelines and oil product pipelines. General specifications
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Stainless steels and corrosion resisting, heat-resisting and creep resisting alloys. Grades
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