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Soils. Field test methods: cone penetration test and dynamic probing

Document status: Active

Soils. Determination of mobile two-trivalent iron compounds after Verigina Arinushkina

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State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 9. Preferred test conditions for the determination of reference hearing threshold levels

Document status: Active

Liquid oral hygiene products. General specifications

Document status: Active

Medical electrical equipment. Part 2-65. Particular requirements for the basic safety and essential performance of dental intra-oral X-ray equipment

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Resources saving. Classification and definition of indices.

Document status: Replaced by GOST R 52107-2024