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Standards GB - Chinese national standards - Page 115
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 11414-2007
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Laborator glassware - Bottles
Standard published on 5.12.2007
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GB/T 11415-1989
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Laboratory sintered (fritted)filters--Porosity grading classification and designation
Standard published on 8.6.1989
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GB/T 11416-2021
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Domestic insulated containers
Standard published on 31.12.2021
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GB/T 11417.1-2012
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Ophthalmic optics—Contact lenses—Part 1:Vocabulary,classification system and recommendations for labeling specifications
Standard published on 31.12.2012
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GB/T 11417.1-2025
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Ophthalmic optics—Contact lenses—Part 1: Vocabulary, classification and recommendations for labelling specifications
Execute Date: august 2027
Standard published on 1.8.2025
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GB 11417.2-2012
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Ophthalmic optics - Contact lenses - Part 2: Rigid contact lenses specification
Standard published on 31.12.2012
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GB 11417.2-2025
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Ophthalmic optics—Contact lenses—Part 2: Rigid contact lenses
Execute Date: november 2028
Standard published on 31.10.2025
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GB 11417.3-2012
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Ophthalmic optics—Contact lenses—Part 3:Soft contact lenses
Standard published on 31.12.2012
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GB 11417.3-2025
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Ophthalmic optics—Contact lenses—Part 3:Soft contact lenses
Execute Date: november 2028
Standard published on 31.10.2025
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GB/T 11417.4-2012
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Ophthalmic optics—Contact lenses—Part 4:Saline solution for contact lens testing
Standard published on 31.12.2012
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