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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
Dimensions,shape,weight and tolerances for forged flats
WITHDRAWN published on 17.3.1997
Selected format:Wire rope slings for general purposes—Characteristics and specifications
WITHDRAWN published on 17.3.1997
Selected format:Wire rope slings for general purposes—Characteristics and technical requirements
WITHDRAWN published on 30.10.2009
Selected format:Shaped insulating refractory products-classification
WITHDRAWN published on 17.3.1997
Selected format:Shaped insulating refractory products—Classification
WITHDRAWN published on 5.11.2012
Selected format:Hygienic specification for formula feed enterprises
WITHDRAWN published on 31.3.1997
Selected format:Hygienic specification for formula feed enterprises
WITHDRAWN published on 20.12.2006
Selected format:General specification for feed pellets
WITHDRAWN published on 31.3.1997
Selected format:Basic terms of service in tourism
WITHDRAWN published on 1.4.1997
Selected format:Basic terminology in travel and tourism
WITHDRAWN published on 14.1.2011
Selected format:Latest update: 2025-11-12 (Number of items: 2 243 625)
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