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Standards GB - Chinese national standards - Page 4427
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 44554.9-2025
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Requirements for electronic credential entry—Part 9:Centralized treasury payment electronic voucher
Standard published on 31.12.2025
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GB/T 44555-2024
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Electronic credential—Technical requirements for encapsulation of accounting archives
Standard published on 23.8.2024
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GB/T 44556-2024
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Refrigerating systems and heat pumps—Qualification of tightness of components and joints
Standard published on 29.9.2024
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GB/T 44557-2024
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Refrigeration systems and heat pumps—Flexible pipe elements and non-metallic tubes—Requeirements and classification
Standard published on 29.9.2024
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GB/T 44558-2024
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Test method for dislocation imaging in III-nitride semiconductor materials—Transmission electron microscopy
Standard published on 29.9.2024
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GB/T 44559.1-2024
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Plastics—Determination of puncture impact behaviour of rigid plastics—Part 1: Non-instrumented impact testing
Standard published on 29.9.2024
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GB/T 4456-2008
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Polyethylene blown film for packaging applications
Standard published on 30.12.2008
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GB/T 4456-2026
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Polyethylene blown film for packaging applications
Execute Date: february 2027
Standard published on 30.7.2026
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GB/T 44560-2024
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Metallurgical bonding tubing for petroleum and natural gas industries
Standard published on 29.9.2024
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GB/T 44561-2024
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Petroleum and natural gas industries—Design and testing of LNG marine transfer arms for conventional onshore terminals
Standard published on 29.9.2024
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