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State system for ensuring the uniformity of measurements. Standards thermoelectric converters platinumrhodium/platinumrhodium of the first, second and third grades. Verification procedure
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Rotary threaded pipeline connections with a hollow bolt. Construction and basic dimensions
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Go plain plug gauges with inserts of diameter over 50 to 75 mm. Design and dimensions
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Metakaolin for concretes and mortars. Specifications
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