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Ophthalmic optics. Spectacle frames for corrective eyeglasses. General technical requirements and test methods

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Indoor air. Part 12. Sampling strategy for polychlorinated biphenyls (PCBs), polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDF) and polycyclic aromatic hydrocarbons (PAHs)

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

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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

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Liquid oral hygiene products. General specifications

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