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Standards GB - Chinese national standards - Page 4537
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 45449-2025
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Revert materials for powder metallurgy superalloy
Standard published on 28.3.2025
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GB/T 4545-2007
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Test methods for stress examination of glass containers
Standard published on 5.12.2007
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GB/T 45450-2025
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Revert materials for superalloy—Terminology and classification
Standard published on 28.3.2025
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GB/T 45451.1-2025
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Packaging—Plastics drums—Part 1:Removable head (open head) drums with a nominal capacity of 113.6 L to 220 L
Standard published on 28.3.2025
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GB/T 45451.2-2025
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Packaging—Plastics drums—Part 2:Non-removable head (tight head) drums with a nominal capacity of 208.2 L to 220 L
Standard published on 28.3.2025
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GB/T 45452-2025
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Hydraulic fluid powerMounting dimensions for single rod cylinders, 25MPa series
Standard published on 28.3.2025
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GB/T 45453-2025
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Packaging—Tamper verification features for medicinal product packaging
Standard published on 28.3.2025
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GB/T 45454-2025
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Compression and injection moulds—Components for gating systems
Standard published on 28.3.2025
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GB/T 45455-2025
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Tools for moulding—Guide bushes, headed, and locating guide bushes, headed
Standard published on 28.3.2025
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GB/T 45456-2025
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Packaging—Determination of crease stiffness for folding cartons
Standard published on 28.3.2025
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