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State system for ensuring the uniformity of measurements. Nanometer range relief measures with trapezoidal profile of elements. Methods for calibration
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Air transport. Maintenance and repair system of aviation equipment. Terms and definitions
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Low-voltage switchgear and controlgear. Part 6-2. Multiple function devices. Control and protective switching devices (or equipment)
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Non-destructive testing. Evaluation of gas porosity in aluminium casting alloys by ultrasound. General requirements
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Rolling radial ball single row flexible bearings. Specifications
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Resilient floor coverings. Methods for determination of flexibility and deflection
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