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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
Technical product documentation—Requirements for model based definition—Part 1: General requirement
Standard published on 31.12.2025
Selected format:Technical product documentation—Requirements for model based definition—Part 2: Three-dimensional annotation
Standard published on 31.12.2025
Selected format:Technical product documentation—Requirements for model based definition—Part 3: Design data
Standard published on 31.12.2025
Selected format:Technical product documentation—Requirements for model based definition—Part 4Process data
Standard published on 31.12.2025
Selected format:Technical product documentation—Requirements for model based definition—Part 5Inspection data
Standard published on 31.12.2025
Selected format:Technical product documentation—Requirements for model based definition—Part 6: Service data
Standard published on 31.12.2025
Selected format:Technical product documentation—Requirements for model based definition—Part 7: Data organization
Standard published on 31.12.2025
Selected format:Technical product documentation—Requirements for model based definition—Part 8Data check
Standard published on 31.12.2025
Selected format:Technical product documentation—Requirements for model based definition—Part 9: Data publish
Standard published on 31.12.2025
Selected format:External cylindrical grinding machines - Testing of the accuracy
Standard published on 26.7.2007
Selected format:Latest update: 2026-08-25 (Number of items: 2 298 362)
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