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Hexagon-head step-point with cone set screws. Product grades a and b. Construction and dimensions
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Alloys and foundry alloys of rare metals. Spectral method for determination of silicon, iron, aluminium, titanium, calcium in alloys on niobium base
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System of standards in geological exploration of the entrails of the Earth. Report on geological study of the entrails of the Earth. General requirements for content and presentation
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Civil defence. Assessment of the state of hazardous facilities, defence and security facilities exposed to the damaging factors of conventional weapons. Calculation methods
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Gamma-resonance spectrometers. General technical requirements and test methods
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