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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
Time-domain test methods for space single event soft errors of semiconductor integrated circuit
Standard published on 7.9.2023
Selected format:Test methods for space vapour deposition protective film on semiconductor wire
Standard published on 7.9.2023
Selected format:Design requirements for space radiation-hardened integrated circuit standard cell library
Standard published on 7.9.2023
Selected format:Communication protocol between road traffic signal controller and vehicle detectors
Standard published on 7.9.2023
Selected format:Pin coupling with elastic sleeve
Standard published on 12.5.2017
Selected format:Water quality requirements of product water of seawater reverse osmosis desalination
Standard published on 7.9.2023
Selected format:Petroleum and natural gas industries—Selection and adaptability evaluation of casing for shale oil and gas wells
Standard published on 7.9.2023
Selected format:Fasteners—Measurement method of axial stress by ultrasonic
Standard published on 27.11.2023
Selected format:Additive manufacturing—System performance and reliability—Acceptance tests for laser-based powder bed fusion equipment of metals for aerospace application
Standard published on 27.11.2023
Selected format:Tools for moulding—Angle pins
Standard published on 27.11.2023
Selected format:Latest update: 2026-09-16 (Number of items: 2 301 474)
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