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State system for ensuring the uniformity of measurements. Instruments for measurement power and irradiance in the wavelength range from 10 to 30 nm. Verification procedure
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Unified system for design documentation. Images - appearance, sections, profiles
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Mechanical vibration. Industrial fans. Measurement of vibrations
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Fluoroplastic sealing devices with corrugated springs for pistons. Pins. Construction and dimensions
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Pillow blocks of series RSh for rolling bearings. Construction and dimensions
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