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Standards GB - Chinese national standards - Page 5113
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 727-2025
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Turbocharger nomenclature and code
Standard published on 31.10.2025
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GB/T 7274-2015
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Methods for the measurement of direct inter-electrode capacitances of electronic tubes and valves
Standard published on 11.9.2015
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GB/T 7276-1987
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Hinges general technical condition
Standard published on 19.2.1987
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GB/T 728-2020
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Tin ingot
Standard published on 6.3.2020
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GB/T 7284-2016
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Wooden framed case
Standard published on 24.2.2016
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GB/T 7287-2008
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Test method of infrared heater
Standard published on 30.6.2008
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GB/T 7289-2017
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Electric components—Reliability—Reference conditions for failure rates and stress models for conversion
Standard published on 1.11.2017
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GB/T 7291-2008
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Graphical symbols - Technical guidelines for the consideration of consumers’ needs
Standard published on 16.7.2008
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GB/T 7292-1999
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Feed additive--Vitamin A acetate beadlets
Standard published on 10.8.1999
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GB 7293-2017
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Feed additive-DL--Tocopheryl acetate(Powder form)
Standard published on 14.10.2017
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