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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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Leather. Physical and mechanical tests. Determination of apparent density and mass per unit area
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Canned milk. Condensed sweetened cooked milk. Specifications
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Gas heated catering equipment. Part 2-1. Specific requirements. Open burners and wok burners
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Primary batteries. Part 2. Physical and electrical specifications
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