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Refrigeration systems and heat pumps. Pressure equipment. Part 1. Vessels. General requirements
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Safety in emergencies. Safe city. Terms and definitions
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State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 1. Reference equivalent threshold sound pressure levels of pure tones for supra-aural earphones
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Log loaders. Location and method of operation of two-lever operator controls
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