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Aluminium thermal treated ferromobium. Sampling method and sample preparation for chemical analysis
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Galactic diffuse gamma and x-rays. Characteristics of angular and energy distributions
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Environmental protection. Surface and ground water. General requirements for protection against contamination by mineral fertilizers
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Ergonomics of human-system interaction. Part 620. The role of sound for users of interactive systems
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Measuring machines for checking fine pitch spur gears. Types. Basic dimensions, standards of accuracy
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