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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
Methods of sampling for mechanical properties testing of titanium and titanium alloy products
WITHDRAWN published on 15.4.2009
Selected format:Method for transus temperature determination of titanium alloys
WITHDRAWN published on 15.4.2009
Selected format:Platinum groups metals waste classification and technology qualification
WITHDRAWN published on 15.4.2009
Selected format:Seamless copper alloy tube for water desalting applications
WITHDRAWN published on 15.4.2009
Selected format:Gold target
WITHDRAWN published on 15.4.2009
Selected format:Anodizing and electrophoretic painting technical specification on wrought aluminium alloy extruded profiles for architecture
WITHDRAWN published on 15.4.2009
Selected format:Accessorial material for architectural aluminum alloy profiles—Part 1:Thermal barrier strip of polyamide
WITHDRAWN published on 15.4.2009
Selected format:Accessorial material for architectural aluminum alloy profiles—Part 2:Material for thermal barrier polyurethane
WITHDRAWN published on 11.5.2012
Selected format:Quarantine protocols for banana seedlings in places of production
WITHDRAWN published on 27.4.2009
Selected format:Quarantine protocols for banana seedlings in places of production
WITHDRAWN published on 27.4.2009
Selected format:Latest update: 2026-05-02 (Number of items: 2 275 366)
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