GB - Chinese national standards

Polyvinyl chloride resins - Test methods for the thermal stability - Whiteness method

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Plastics—Determination of changes in colour and variations in properties after exposure to glass-filtered solar radiation, natural weathering or laboratory radiation sources

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Plastics - Poly(methyl methacrylate)(PMMA)moulding and extrusion materials - Part 1: Designation system and basis for specifications

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Plastics—Poly(methyl methacrylate)(PMMA) moulding and extrusion materials—Part 1:Designation system and basis for specifications

Available languages: English, Chinese

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Plastics - Poly(methyl methacrylate)(PMMA)moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties

Available languages: English, Chinese

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Plastics—Poly(methyl methacrylate)(PMMA)moulding and extrusion materials—Part 2:Preparation of test specimens and determination of properties

Available languages: English, Chinese

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Safety rules of lightning with relation to petroleum and its facilities

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Lightning safety specification for hazardous chemical enterprises

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Standard Voltages

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Good practice for dynamic light scattering(DLS) measurements

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