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Standards GB - Chinese national standards - Page 4423
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 44525-2024
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Non-destructive testing—Ultrasonic testing—Specification for resin matrix composite reference block
Standard published on 29.9.2024
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GB/Z 44526-2024
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Non-destructive testing—Performance- based qualification
Standard published on 29.9.2024
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GB/T 44527-2024
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Qualification testing of diver-welders and welding operators for underwater hyperbaric dry welding
Standard published on 29.9.2024
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GB/Z 44528-2024
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Wind energy generation systems—Measurement and assessment of electrical characteristics—Wind turbine harmonic model and its application
Standard published on 29.9.2024
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GB/T 44529-2024
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Micro-electromechanical systemsMEMStechnology—Radio frequency MEMS circulators and isolators
Standard published on 29.9.2024
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GB/T 44530-2024
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Die casting dies—Die sets
Standard published on 29.9.2024
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GB/T 44531-2024
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Micro-electromechanical systemsMEMStechnology—Technical specification of automotive grade pressure sensor based on MEMS technology
Standard published on 29.9.2024
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GB/T 44532-2024
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Internal combustion engines—Hybrid powertrain system—Safety requirements
Standard published on 29.9.2024
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GB/T 44533.1-2024
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Tools for pressing—Ball-lock punch retainers—Part 1: Types A and B, rectangular and square for light duty
Standard published on 29.9.2024
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GB/T 44533.2-2024
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Tools for pressing—Ball-lock punch retainers—Part 2: Types C and D, reduced for light duty
Standard published on 29.9.2024
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