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Standards GB - Chinese national standards - Page 568
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 15852.1-2020
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Information technology—Security techniques—Message authentication codes—Part 1: Mechanisms using a block cipher
Standard published on 14.12.2020
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GB/T 15852.2-2024
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Cybersecurity technology—Message authentication codes (MACs)—Part 2: Mechanisms using a dedicated hash-function
Standard published on 29.9.2024
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GB/T 15852.3-2019
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Information technology—Security techniques—Message authentication codes (MACs)—Part 3: Mechanisms using a universal hash-function
Standard published on 30.8.2019
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GB/T 15854-2021
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Food blenders
Standard published on 26.11.2021
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GB/T 15855.1-1995
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Flat round head drive rivets
Standard published on 19.12.1995
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GB/T 15855.2-1995
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Countersunk head drive rivets
Standard published on 19.12.1995
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GB/T 15855.3-1995
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Specifications for drive rivets
Standard published on 19.12.1995
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GB/T 15856.1-2002
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Cross recessed pan head drilling screws with tapping screw thread
Standard published on 5.12.2002
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GB/T 15856.2-2002
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Cross recessed countersunk head drilling screws
Standard published on 5.12.2002
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GB/T 15856.3-2002
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Cross recessed raised countersunk head drilling screws with tapping screw thread
Standard published on 5.12.2002
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