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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
Mechanical structures for electronic equipment—Outdoor enclosures—Part 2:Coordination dimensions for cases and cabinets
WITHDRAWN published on 5.6.2003
Selected format:Mechanical structures for electronic equipment—Outdoor enclosures—Part 2-1:Dimensions for cabinets
WITHDRAWN published on 5.6.2003
Selected format:Mechanical structures for 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WITHDRAWN published on 5.6.2003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:Climatic,mechanical 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WITHDRAWN published on 5.6.2003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WITHDRAWN published on 5.6.2003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:Sampling procedures for inspection of raw synthetic rubber
WITHDRAWN published on 9.6.2003
Selected format:Quenched and tempered high strength steel plates for pressure vessels
WITHDRAWN published on 16.6.2003
Selected format:Quenched and tempered high strength steel plates for pressure vessels
WITHDRAWN published on 16.6.2011
Selected format:Quenched and tempered high strength steel plate for pressure vessels
WITHDRAWN published on 16.6.2011
Selected format:Potassium hydroxide
WITHDRAWN published on 1.1.1980
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 585)
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