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Standards GB - Chinese national standards - Page 4782
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 47243-2026
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Optics and photonics—Optical components—Test method of geometric parameters for complex curved surface
Standard published on 27.2.2026
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GB/T 47244-2026
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Heterogeneous biomimetic structure—Designing, manufacturing and optimization—Methodology
Standard published on 27.2.2026
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GB/T 47245-2026
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General framework for intelligent control system of robot
Standard published on 27.2.2026
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GB/T 47246-2026
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Technical specifications for electrification of child restraint systems for power-driven vehicles
Standard published on 31.3.2026
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GB/T 47247-2026
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Ships and marine technology—A-frame launch and recovery system
Standard published on 31.3.2026
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GB/T 47248-2026
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Road vehicles—Safety chains for trailers up to 3.5 t
Standard published on 31.3.2026
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GB/T 47249-2026
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Ships and marine technology—Design requirements for international ballast water transfer connection flange
Standard published on 31.3.2026
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GB/T 4725-2022
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Epoxide woven glass fabric copper-clad laminated sheets for printed circuits
Standard published on 9.3.2022
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GB/T 47250-2026
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Ships and marine technology—Flange connection for fuel and lubrication oil bunkering—Basic dimensions and technical requirements
Standard published on 31.3.2026
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GB/T 47251.1-2026
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Printed electronics equipment—Contact printing rigid master—Part 1: Measurement method of plate master external dimension
Standard published on 27.2.2026
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