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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
Information technology - Telecommunication and information exchange between systems - 34 pin DTE/DCE interface connector mateability dimensions and contact number assignments
Standard published on 28.7.2008
Selected format:Information technology - Data comunication - 15-pole DTE/DCE interface connector and contact number assignment
Standard published on 28.7.2008
Selected format:Immersion suits
Standard published on 5.4.1999
Selected format:
Immersion suits
Execute Date: october 2026
Standard published on 31.3.2026
Selected format:Fry and fingerling of black carp
Standard published on 21.11.2011
Selected format:Fresh and frozen pork and pig by-products—Part 1Demi-carcass pork
Standard published on 25.3.2019
Selected format:Fresh and frozen pork lean,cuts
Standard published on 12.8.2008
Selected format:
Fresh and frozen pork and pig by-products—Part 2Pork lean cuts
Execute Date: september 2026
Standard published on 27.2.2026
Selected format:Fresh and frozen pork and pig by-products—Part 3Pork cuts
Standard published on 25.3.2019
Selected format:Fresh and frozen pork and pig by-products—Part 4Pig by-products
Standard published on 25.3.2019
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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