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Standards GB - Chinese national standards - Page 4909
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 48244-2026
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Natural gas upstream area—Determination of C6 to C8 components—Gas chromatography mass spectrometry method
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48245-2026
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Solar energy—Specification and classification of instruments for measuring hemispherical solar and direct solar radiation
Execute Date: january 2027
Standard published on 28.9.2026
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GB/T 48246-2026
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Static inverters for aircraft
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48247-2026
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Aerospace fluid systems—Piping and fittings—Thermal shock testing procedure
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48248-2026
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Aerospace-nuts, anchor, self-locking, floating, self-aligning, single lug, with MJ threads—Dimensions
Execute Date: january 2027
Standard published on 28.9.2026
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GB/T 48249-2026
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General requirements for quality supervisory control of original geophysical logging information
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48250-2026
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Determination of oil content of Fischer-Tropsch synthesis wax
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48251-2026
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Aerospace fluid systems—Plastic protective caps and plugs—Dimensions
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48252-2026
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General requirements for remote operation and maintenance system of offshore unit
Execute Date: april 2027
Standard published on 28.9.2026
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GB/T 48254-2026
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Configuration and requirements for E-sports equipment
Execute Date: january 2027
Standard published on 28.9.2026
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