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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
Neodymium oxide--Determination of lanthanum oxide, cerium oxide, praseodymium oxide, samarium oxide and yttrium oxide contents--Spectrochemical method
WITHDRAWN published on 1.1.1990
Selected format:Air compressor oils
WITHDRAWN published on 30.12.1990
Selected format:Petroleum products—Fuels (class F)—Classification—Part 1:General
WITHDRAWN published on 30.12.1990
Selected format:Petroleum products—Fuels (class F)—Classification—Part 2:Categories of marine fuels
WITHDRAWN published on 30.12.1990
Selected format:Petroleum products—Fuels(class F) classification—Part 2:Categories of marine fuels
WITHDRAWN published on 2.9.2010
Selected format:Hygienic specifications of dairy factory
WITHDRAWN published on 7.11.1990
Selected format:Good manufacturing practice for dairy product factory
WITHDRAWN published on 24.9.2003
Selected format:National food safety standard Good manufacturing practice for milk products
WITHDRAWN published on 26.3.2010
Selected format:Hygienic specifications of meat packing plant
WITHDRAWN published on 18.3.1991
Selected format:Hygienic specifications of drink factory
WITHDRAWN published on 7.11.1990
Selected format:Latest update: 2026-01-11 (Number of items: 2 254 176)
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