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Standards GB - Chinese national standards - Page 310
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/Z 137.1-2025
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Health informatics—Categorial structure for representation of 3D human body position system—Part 1:Bones
Standard published on 3.12.2025
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GB/T 13700-1992
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Spectrophotometric determination of molybdenum in uranium hexafluoride
Standard published on 29.9.1992
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GB/T 13701-2025
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Isotopic analysis of uranium by single-standard gas mass-spectrometer method
Standard published on 5.10.2025
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GB/T 13703-1992
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Information processing--Volume and file structure of flexible disk cartridges for information interchange
Standard published on 30.9.1992
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GB/T 13705-2019
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General requirements for shipboard radio communication installations
Standard published on 4.6.2019
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GB/T 13709-2015
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Blank detail specification of X-ray tubes for industry
Standard published on 11.9.2015
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GB/T 13712-1992
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Fibre optic modulators--Part 1:Generic specification
Standard published on 4.10.1992
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GB/T 13713-1992
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Fibre optic branching devices--Part 1:Generic speci-fication
Standard published on 4.10.1992
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GB/T 13714-1992
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Fiber optic branching devices--Part 3:Sectional specification--One-to-n wavelength multiplexer/demultiplexer
Standard published on 4.10.1992
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GB/T 13715-1992
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Contemporary Chinese language word segmentation specification for information processing
Standard published on 4.10.1992
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