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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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Occupational safety standards system. Special protective clothes, personal means of hand and legs protections. Classification

Document status: Replaced by GOST 12.4.103-2020

The lighting of underground mines. Main requirements and measuring techniques

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Video surveillance systems. Video data compression. General technical requirements and methods of algorithm evaluation

Document status: Active

Indoor air. Part 26. Sampling strategy for carbon dioxide (CO2)

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Occupational safety standards system. Respiratory protective devices. Gas filters and combined filters. General specifications

Document status: Active