GB - Chinese national standards

Test methods of colourless optical glass - Part 16: Linear thermal expansion coefficienttransformation temperature and yield point temperature

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Colourless optical glass test methods - Part 17: Autocollimation test method for refractive index in the ultraviolet and infrared wave band

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Test methods of colourless optical glass - Part 18: Knoop hardness

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Test methods of colourless optical glass - Part 19: Abration factor

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Test methods of colourless optical glass - Part 2: Optical homogeneity - Fizeau plano-interferometry

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Test methods of colourless optical glass - Part 20: Density

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Test method of colourless optical glass—Part 21Resistance to attack by aqueous alkaline solutions

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Test method of colourless optical glass—Part 22Resistance to attack by aqueous alkaline phosphate-containing

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Test method of colourless optical glass—Part 23: Resistance to climatic

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Test methods of colourless optical glass - Part 3: Optical homogeity - Holographic interferometry

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