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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
Potassium nitrate for industrial use
WITHDRAWN published on 5.12.2011
Selected format:Diagnostic techniques for bovine spongiform encephalopathy
WITHDRAWN published on 4.6.2003
Selected format:Green coffee—Guidance on methods of specification
WITHDRAWN published on 4.6.2003
Selected format:Coffee—Determination of caffeine content—Method using high-performance liquid chromatography
WITHDRAWN published on 4.6.2003
Selected format:Mechanical structures for electronic equipment--Outdoor enclosures--Part 1: Design guidelines
WITHDRAWN published on 5.6.2003
Selected format:Mechanical structures for electronic equipment--Outdoor enclosures--Part 2: Coordination dimensions for cases and cabinets
WITHDRAWN published on 5.6.2003
Selected format:Mechanical structuresfor electronic equipment--Outdoor enclosures--Part 2-1:Dimensions for cabinets
WITHDRAWN published on 5.6.2003
Selected format:Mechanical structuresfor electronic equipment--Outdoor enclosures--Part 2-2: Dimensions for cases
WITHDRAWN published on 5.6.2003
Selected format:Mechanical structures for electronic equipment--Outdoor enclosures--Part 3: Climaticmechanical tests and safety aspects for cabinets and cases
WITHDRAWN published on 5.6.2003
Selected format:Live working-Minimum approach distanced-method of calculation
WITHDRAWN published on 5.6.2003
Selected format:Latest update: 2025-08-21 (Number of items: 2 213 168)
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