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Needle roller combined radial thrust bearings. Types and basic dimensions
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Solar soft X-ray. Model of flow density in case of flashes absence
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Optics and photonics. Optical lenses. Design and dimensions
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Playground equipment and surfacing. Assessment of technical condition
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Buttress thread, strengthened 45 for diameters from 80 to 2000 mm. Profile, basic dimensions, tolerances
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