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GB - Chinese national standards - Page 4920

Standards GB - Chinese national standards - Page 4920

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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Preview GB/T 48343-2026 28.9.2026
GB/T 48343-2026

Welding procedure qualification of girth welds of corrosion resistant alloy clad or lined steel pipeline
Execute Date: april 2027

Standard published on 28.9.2026

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Preview GB/T 48344-2026 28.9.2026
GB/T 48344-2026

Determination of fluorine content in coating powders
Execute Date: april 2027

Standard published on 28.9.2026

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Preview GB/T 48345-2026 28.9.2026
GB/T 48345-2026

GaN on Si epitaxial wafers for HEMT power devices
Execute Date: april 2027

Standard published on 28.9.2026

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Preview GB/T 48346-2026 28.9.2026
GB/T 48346-2026

3D virtual digital human quality index grading method
Execute Date: april 2027

Standard published on 28.9.2026

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Preview GB/T 48347-2026 28.9.2026
GB/T 48347-2026

High dynamic rangeHDRstill images—Dual-layer format
Execute Date: april 2027

Standard published on 28.9.2026

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Preview GB/T 48348-2026 28.9.2026
GB/T 48348-2026

Information technology—3D audio technology—Media format
Execute Date: april 2027

Standard published on 28.9.2026

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Preview GB/T 48349.1-2026 28.9.2026
GB/T 48349.1-2026

Information technology—Digital retina systems—Part 1: System architecture and communication protocol
Execute Date: april 2027

Standard published on 28.9.2026

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Preview GB/T 48349.3-2026 28.9.2026
GB/T 48349.3-2026

Information technology—Digital retina systems—Part 3: End subsystem
Execute Date: april 2027

Standard published on 28.9.2026

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Preview GB/T 48349.4-2026 28.9.2026
GB/T 48349.4-2026

Information technology—Digital retina systems—Part 4: Edge subsystem
Execute Date: april 2027

Standard published on 28.9.2026

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Preview GB/T 4835.1-2012 31.12.2012
GB/T 4835.1-2012

Radiation protection instrumentation - Ambient and/or directional dose equivalent (rate) meters and/or monitors for beta, X and gamma radiation - Part 1: Portable workplace and environmental meters and monitors

Standard published on 31.12.2012

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