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Standards GB - Chinese national standards - Page 62
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 10807-2006
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Flexible cellular polymeric materials - Determination of hardness (indentation technique)
Standard published on 31.3.2006
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GB/T 10808-2006
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Flexible cellular polymeric materials - Determination of tear strength
Standard published on 31.3.2006
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GB/T 10810.1-2025
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Uncut finished spectacle lenses—Part 1: Single-vision and multifocal
Standard published on 28.2.2025
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GB/T 10810.2-2025
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Uncut finished spectacle lenses—Part 2: Power-variation
Standard published on 28.2.2025
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GB/T 10810.3-2025
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Uncut finished spectacle lenses—Part 3:Transmittance test methods
Standard published on 28.2.2025
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GB/T 10810.4-2025
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Uncut finished spectacle lenses—Part 4:Anti-reflective coatings test methods
Standard published on 28.2.2025
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GB/T 10810.5-2025
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Uncut finished spectacle lenses—Part 5: Abrasion-resistant of surfaces test methods
Standard published on 28.2.2025
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GB/T 10811-2022
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Under-glaze/in-glaze decoration porcelain
Standard published on 15.4.2022
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GB/T 10812-2021
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Pierced decoration domestic porcelain
Standard published on 20.8.2021
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GB/T 10813.1-2015
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Celadon porcelain ware—Part 1: Domestic celadon porcelain ware
Standard published on 9.10.2015
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