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Standards GB - Chinese national standards - Page 520
Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
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GB/T 15488-2010
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Colour filter glass
Standard published on 14.1.2011
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GB/T 15489.1-1995
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Colour filter glass test methods--Spectral character-istic
Standard published on 29.1.1995
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GB/T 15489.2-1995
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Colour filter glass test methods--Extent of bubble
Standard published on 29.1.1995
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GB/T 15489.3-1995
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Colour filter glass test methods--Temperatrue coefficient of sharp cut wavelength
Standard published on 29.1.1995
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GB/T 15489.4-1995
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Colour filter glass test methods--Colour temperature conversion ability
Standard published on 29.1.1995
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GB/T 15489.5-1995
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Colour filter glass test methods--Chromaticity
Standard published on 29.1.1995
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GB/T 15489.6-2010
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Test methods of colour filter glass - Part 6: Fluorescence characteristic
Standard published on 14.1.2011
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GB/T 15489.7-1995
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Colour filter glass test methods--Chemical stability
Standard published on 29.1.1995
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GB/T 15489.8-1995
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Colour filter glass test methods--Resistance UV irradiating stability
Standard published on 29.1.1995
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GB/T 1549-2008
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Chemical analysis methods of glass, glass marble and vitreous fiber
Standard published on 30.6.2008
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