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Standards GB - Chinese national standards - Page 212
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 12618.6-2006
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Open end blind rivets with break pull mandrel and protruding headproperty class 40,41
Standard published on 5.7.2006
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GB/T 12620-2008
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Round and elongated apertures with round and square plate screens
Standard published on 16.4.2008
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GB/T 12621-2008
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Standard test method for stress relaxation of gaskets for pipe flanges
Standard published on 7.5.2008
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GB/T 12622-2008
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Standard test method for compressibility and recovery of gaskets for pipe flanges
Standard published on 7.5.2008
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GB/T 12624-2020
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Protective gloves - General requirements and test methods
Standard published on 21.7.2020
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GB/T 12626.1-2009
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Hard fibreboard - Part 1: Definitions and classifications
Standard published on 30.9.2009
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GB/T 12626.2-2009
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Hard fibreboard - Part 2: General requirements for all board types
Standard published on 30.9.2009
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GB/T 12626.3-2009
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Hard fibreboard - Part 3: Sampling and measurements of test pieces
Standard published on 30.9.2009
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GB/T 12626.4-2015
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Hard fibreboard—Part 4: General purpose boards for use in dry conditions
Standard published on 3.7.2015
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GB/T 12626.5-2015
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Hard fibreboard—Part 5:General purpose boards for use in humid conditions
Standard published on 3.7.2015
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