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Requirements for performance of chambers for industrial products environmental endurance tests. Data processing methods for chamber certification (calibration)
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Coating materials. Determination of resistance to humidity. Condensation (single-sided exposure)
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State system for ensuring the uniformity of measurements. Pressure, combined pressure-vacuum, vacuum, gauges and draught gauges with pneumatic output signals. Methods of verification
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Low-voltage switchgear and control gear. Part 4-1. Contractors and motor-starters. Electromechanical contactors and motor-starters
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Weight characteristics of the aeroplanes. Terms and definitions
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