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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
Iron/Copper-Nickel(Constantan) thermocouple wires
Standard published on 15.5.2015
Selected format:Flat pallets — Performance requirements and selection of tests
Standard published on 1.8.2025
Selected format:Flat pallets—Test methods
Standard published on 1.8.2025
Selected format:General specification for permanent magnet low speed direct current tachogenerator
Standard published on 13.6.2008
Selected format:Anaesthetic and respiratory equipment--Vocabulary
Standard published on 9.6.2003
Selected format:Terminology for domestic ceramics
Standard published on 15.3.2018
Selected format:Unified standard for building drawings
Standard published on 27.9.2017
Selected format:standard for modular coordination of building
Standard published on 8.8.2013
Selected format:Code for design of masonry structures
Standard published on 26.7.2011
Selected format:Code for design of timber structures
Standard published on 20.11.2017
Selected format:Latest update: 2026-07-12 (Number of items: 2 286 472)
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