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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--Generic coding of moving pictures and associated audio information--Part 9:Extension for real time interface for systems decoders
Standard published on 17.10.2000
Selected format:Information technology--Telecommunication and information exchange between systems--OSI routing framework
Standard published on 3.1.2000
Selected format:Information processing--SGML support facilities--Techniques for using SGML
Standard published on 3.1.2000
Selected format:Methoden of testing for raw silk
Standard published on 6.8.2008
Selected format:Testing method for raw silk
Standard published on 6.8.2008
Selected format:Pesticide--Guidelines for the field efficacy trials (I)--Insecticides against borer pests of Lepidoptera on rice
Standard published on 1.2.2000
Selected format:Pesticide—Guidelines for the field efficacy trials—Part 1:Insecticides against borer pests of Lepidoptera on rice
Standard published on 27.2.2026
Selected format:Pesticide--Guidelines forthe field efficacy trials(I)--Insecticides against suckers on pear
Standard published on 1.2.2000
Selected format:Pesticide—Guidelines for the field efficacy trials—Part 10: Insecticides against pear psylla
Standard published on 27.2.2026
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 100:Fungicides against downy blight of litchi
Standard published on 3.3.2004
Selected format:Latest update: 2026-09-09 (Number of items: 2 300 143)
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