Russian standards PDF
Paper and board. Determination of tensile strength after immersion in water
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Quality requirements for fusion welding of metallic materials. Part 1. Criteria for the selection of the appropriate level of requirements
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Quality requirements for fusion welding of metallic materials. Part 3. Standard quality requirements
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State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 2. Reference equivalent threshold sound pressure levels of pure tones for insert earphones
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State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 4. Reference levels for narrow-band masking noise
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State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 6. Reference threshold of hearing for test signals of short duration
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