GB - Chinese national standards

Jewellery-Determination of nickel content-Method of flame atomic absorption spectrometry

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Jewellery-Determination of the release of nickel-Method of spectrometry

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Jewellery—Determination of the release of nickel—Method of spectrometry

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Disc springs—Part 1: Calculation

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Disc springs—Part2:Technical specifications

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Jewellery and precious metals—Determination of platinum and palladium—Gravimetry using ammonium chloride and dimethylglyoxime

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The issue of marine forecasts and warnings—Part 1: The issue of storm surge warnings

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The issue of marine forecasts and warnings—Part 2: The issue of wave forecasts and warnings

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The issue of marine forecasts and warnings—Part 3: The issue of sea ice forecasts and warnings

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The issue of marine forecasts and warnings—Part 4: The issue of tsunami warnings

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