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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
Construction for intensive pig farms
WITHDRAWN published on 31.7.2008
Selected format:Economic and technical targets of middle and small intensive pig farms
WITHDRAWN published on 11.8.1999
Selected format:Equipment of middle and small intensive pig farms
WITHDRAWN published on 11.8.1999
Selected format:Environmental parameters and environmental management in middle and small intensive pig farms
WITHDRAWN published on 11.8.1999
Selected format:Technical regulations in middle and small intensive pig farms
WITHDRAWN published on 11.8.1999
Selected format:Marine bio-taxonomic codes
WITHDRAWN published on 11.8.1999
Selected format:Guidelines for radiotherapy treatment rooms design
WITHDRAWN published on 11.8.1999
Selected format:The recording and exchange of broadcasting programs (magnetic tape sound recording)
WITHDRAWN published on 25.10.1979
Selected format:Determination of polyethylene glycol in polyethoxylated nonionic surfactants by HPLC
WITHDRAWN published on 12.8.1999
Selected format:Determination of silver in silver jewellery alloys—Volumetric (potentiometric) method using potassium bromide
WITHDRAWN published on 12.8.1999
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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