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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
Kilogram-force and newton conversion tables
WITHDRAWN published on 26.12.1983
Selected format:Kilogram-force per square centimetre and megapascal conversion tables
WITHDRAWN published on 26.12.1983
Selected format:Kilowatt-hour and megajoule conversion tables
WITHDRAWN published on 26.12.1983
Selected format:Hores-power and kilowatt conversion tables
WITHDRAWN published on 26.12.1983
Selected format:General principle of Konjac gel food quality
WITHDRAWN published on 15.4.2022
Selected format:Three-dimensional process planning for mechanical products—Part 1Terms and definitions
WITHDRAWN published on 9.3.2022
Selected format:Three-dimensional process planning for mechanical products—Part 2General requirements
WITHDRAWN published on 9.3.2022
Selected format:Three-dimensional process planning for mechanical products—Part 3: Model building
WITHDRAWN published on 9.3.2022
Selected format:Three-dimensional process planning for mechanical products—Part 4Process symbol and annotation
WITHDRAWN published on 9.3.2022
Selected format:Three-dimensional process planning for mechanical products—Part 5Detailed design
WITHDRAWN published on 9.3.2022
Selected format:Latest update: 2025-11-10 (Number of items: 2 243 715)
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