GB - Chinese national standards

Plastics—Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography—Part 1:General principles

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Plastics—Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography—Part 2:Universal calibration method

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Plastics—Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography—Part 3:Low-temperature method

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Plastics—Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography—Part4:High-temperature method

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Plastics—Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography—Part5:Method using light-scattering detection

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Ships and marine technology—Ship recycling management systems—Information control for hazardous materials in the manufacturing chain of shipbuilding and ship operations

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Ships and marine technology—Ship recycling management systems—Measures to prevent asbestos emission and exposure during ship recycling

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Ships and marine technology—Ship’s mooring and towing fittings—Universal fairleads with upper roller

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Management requirements of main energy consumption equipment for shipbuilding enterprises

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Evaluation method of energy consumption for shipbuilding enterprises

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