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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
Production,storage and handling of liquefied natural gas(LNG)
WITHDRAWN published on 31.12.2012
Selected format:Biocatalyst—Guideline for enzyme preparations nomenclature
WITHDRAWN published on 23.1.2006
Selected format:Soy protein for food industry
WITHDRAWN published on 23.1.2006
Selected format:Modified starch—Determination of acetyl content—Enzymatic method
WITHDRAWN published on 14.3.2006
Selected format:Metallic materials—Standard test method for JIC, a measure of ductile fracture toughness
WITHDRAWN published on 22.6.1991
Selected format:Starch and derived products—Heavy metals content—Part 3:Determination of lead content by atomic absorption spectrometry with electrothermal atomization
WITHDRAWN published on 14.3.2006
Selected format:Textiles—Determination of the residual chlorobenzenes and chlorinated toluenes
WITHDRAWN published on 25.5.2006
Selected format:Textiles—Determination of organotin compounds
WITHDRAWN published on 25.5.2006
Selected format:Textiles—Determination of the content of phthalates
WITHDRAWN published on 25.5.2006
Selected format:Metals--Tension creep testing
WITHDRAWN published on 1.1.1980
Selected format:Latest update: 2025-12-28 (Number of items: 2 253 436)
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