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Standards GB - Chinese national standards - Page 4605
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 45936-2025
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Emergency management—Specification for data transmission interface and communication protocol in application of BeiDou navigation satellite system
Standard published on 30.6.2025
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GB/T 45937-2025
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Customized manufacturing for household electrical appliances—Demand side management
Standard published on 30.6.2025
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GB/T 45938-2025
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Information platform of healthcare security—Technical specifications for public convenience services
Standard published on 30.6.2025
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GB/T 45939-2025
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Co-extrusion encapsulant film for photovoltaic module
Standard published on 1.8.2025
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GB/T 45940-2025
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Cybersecurity technology—Implementation guide of cybersecurity operation and maintenance
Standard published on 1.8.2025
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GB/T 45941-2025
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Test methods for electric cables with rated voltages up to and including 450/750 V
Standard published on 1.8.2025
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GB/T 45942-2025
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Mineral oil-filled electrical equipment—Application of dissolved gas analysis (DGA) to factory tests on electrical equipment
Standard published on 1.8.2025
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GB 45943-2025
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Building construction machinery and equipment—Common safety requirements
Standard published on 30.6.2025
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GB 45944-2025
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Perfluorohexanone extinguishing agent
Standard published on 1.8.2025
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GB/T 45945-2025
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Guidelines for the testing and evaluation of functional materials in household and similar electrical appliances
Standard published on 30.6.2025
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