GB - Chinese national standards

Photography - Density Measurement - Part 2Geometric conditions for transmission density

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Internal combustion engines—Main and connecting rod bearings—Specifications

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Standard for logarithmic visual acuity charts

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Essential oil - Analysis by gas chromatography on capillary columns - General method

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Fragrance/Flavor substances - Analysis by gas chromatography on packed columns - General method

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Fragrance/Flavor substances - Determination of relative density

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Photographic base paper

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Surface active agents - The identification of emulsion for moderate to high viscosity and the evaluation method of emulsifying capability

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Belt drives - Classical and narrow V-belts - Dimensions(system based on datum width)

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Belt drives - V-belts for the automotive industry - Fatigue test

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