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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
Microbiological examination of food hygiene—Examination of residus of residue in fresh milk
WITHDRAWN published on 11.8.2003
Selected format:Microbiological examination of food hygiene-Stainning methods,culture mediums and reagents
WITHDRAWN published on 18.3.1994
Selected format:Microbiological examination of food hygiene—Stainning methods,culture mediums and reagents
WITHDRAWN published on 11.8.2003
Selected format:National food safety standard - Food Microbiological Examination - Quality requirements of culture media and reagents
WITHDRAWN published on 29.11.2013
Selected format:Examinafion of pseudomonas cocovenerans subsp. farinofermentans
WITHDRAWN published on 24.1.1994
Selected format:Microbiological examination of food hygiene—Examination of Pseudomonas cocovenenans subsp. farinofermentans
WITHDRAWN published on 11.8.2003
Selected format:Microbiological examination of food hygiene-Detection of Coliform bacteria
WITHDRAWN published on 18.3.1994
Selected format:Microbiological examination of food hygiene—Detection of Coliform bacteria
WITHDRAWN published on 11.8.2003
Selected format:Microbiological examination of food hygiene—Enumeration of coliforms
WITHDRAWN published on 21.11.2008
Selected format:National food safety standard Food microbiological examination:Enumeration of coliforms
WITHDRAWN published on 26.3.2010
Selected format:Latest update: 2025-09-14 (Number of items: 2 232 183)
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