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Standards GB - Chinese national standards - Page 5552
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 11414-1989
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Laboratory glassware—Bottles
WITHDRAWN published on 4.7.1989
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GB/T 11416-1989
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Domestic insulated containers
WITHDRAWN published on 8.6.1989
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GB/T 11416-2002
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Domestic insulated containers
WITHDRAWN published on 29.5.2002
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GB 11417.1-1989
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Hard corneal contact lenses
WITHDRAWN published on 4.7.1989
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GB 11417.2-1989
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Soft hydrophilic contact lenses
WITHDRAWN published on 4.7.1989
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GB/T 11417.8-2012
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Ophthalmic optics—Contact lenses—Part 8:Determination of shelf-life
WITHDRAWN published on 31.12.2012
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GB/T 11419-1989
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Determination of resistance to thermal shock of vitreous and porcelain enamels
WITHDRAWN published on 4.7.1989
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GB/T 1142-1984
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Shell drills
WITHDRAWN published on 6.12.1973
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GB/T 11420-1989
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Measurement of specular gloss of vitreous and porcelain enamels
WITHDRAWN published on 4.7.1989
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GB 11421-1989
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Ordinary domestic porcelain
WITHDRAWN published on 1.1.1989
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