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Standards GB - Chinese national standards - Page 5330
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 9089.1-2021
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Electrical installations for outdoor sites under heavy conditions—Part 1: Vocabulary
Standard published on 11.10.2021
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GB/T 9089.2-2023
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Electrical installations for outdoor sites under heavy conditions—Part 2: General protection requirements
Standard published on 23.5.2023
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GB/T 9089.3-2023
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Electrical installations for outdoor sites under heavy conditions—Part 3: General requirements for equipment and ancillaries
Standard published on 28.12.2023
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GB/T 9089.4-2008
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Electrical installations for outdoor sites under heavy conditions - Part 4: Requirements for the installation
Standard published on 18.6.2008
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GB/T 9089.5-2008
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Electrical installations for outdoor sites under heavy conditions - Part 5: Operating requirements
Standard published on 18.6.2008
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GB/T 9090-1988
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Standard capacitors
Standard published on 25.4.1988
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GB/T 9091-2008
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Inductive voltage dividers
Standard published on 19.8.2008
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GB/T 9094-2020
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Fluid power systems and components—Identification code for cylinders mounting dimensions and mounting types
Standard published on 19.11.2020
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GB/T 9095-2008
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Sintered ferrous materialscarburized or carbonitrided - Determination and verification of case-harding depth
Standard published on 11.8.2008
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GB/T 9096-2025
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Sintered metal materials,excluding hardmetals—Charpy impact test method
Standard published on 30.6.2025
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