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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
Aircraft—Engine nacelle fire extinguisher apertures and doors
Execute Date: november 2026
Standard published on 30.4.2026
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Envelope dimensions for aerospace fluid system P-type(loop-type) clamps
Execute Date: november 2026
Standard published on 30.4.2026
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Aerospace—O-ring grooves—Dimensions
Execute Date: november 2026
Standard published on 30.4.2026
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Zanba
Execute Date: november 2026
Standard published on 30.4.2026
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Technical specification for phytosanitary treatments on temperature treatment
Execute Date: november 2026
Standard published on 30.4.2026
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Determination of brassinolide in fertilizers—High performance liquid chromatography
Execute Date: november 2026
Standard published on 30.4.2026
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Whole wheat flour
Execute Date: november 2026
Standard published on 30.4.2026
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Sericulture—Vocabulary
Execute Date: november 2026
Standard published on 30.4.2026
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Quick frozen corn ear
Execute Date: november 2026
Standard published on 30.4.2026
Selected format:Test method for measuring the colorimetry of ceramic pigment
Standard published on 15.5.2015
Selected format:Latest update: 2026-07-16 (Number of items: 2 287 999)
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