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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
SPF chicken - Microbiological surveillance - Part 8: Examination of salmonella pullorum for SPF chicken
Standard published on 31.12.2008
Selected format:SPF chicken - Microbiological surveillance - Part 9: Tube agglutination test for SPF chicken
Standard published on 31.12.2008
Selected format:Test of hazardous substances for musical instruments—Sampling sites
Standard published on 22.5.2026
Selected format:Geometrical product specifications (GPS)—ISO code system for tolerances on linear sizes—Part 1: Basis of tolerances, deviations and fits
Standard published on 28.4.2020
Selected format:Geometrical product specifications (GPS)—ISO code system for tolerances on linear sizes—Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts
Standard published on 28.4.2020
Selected format:Illustrative plats of defects in wood
Standard published on 10.11.1999
Selected format:Oleoresin from Pinus elliottii Engelm
Standard published on 3.7.2015
Selected format:Acceptance rules generality of the medium density fiberboard production line
Standard published on 29.9.2011
Selected format:Acceptance rules generality of the me-dium density fiberboard production line
Standard published on 29.9.2011
Selected format:Wood based panel machinery—Types organization method
Standard published on 15.3.2024
Selected format:Latest update: 2026-09-09 (Number of items: 2 300 143)
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