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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
Refractory ceramic fibre products—Determination of resilience
WITHDRAWN published on 17.11.2000
Selected format:Refractory ceramic fibre products—Determination of thermal conductivity
WITHDRAWN published on 31.12.2002
Selected format:Refractory bricks for rotary kilns—Dimensions
WITHDRAWN published on 23.11.1999
Selected format:Phosphine recirculation equipment for grain storages
WITHDRAWN published on 22.11.1999
Selected format:Grain and oil storage - Furnishment of phosphine recirculation fumigation
WITHDRAWN published on 4.11.2008
Selected format:Specifications for storage and preservation of combustible and explosive goods
WITHDRAWN published on 29.11.1999
Selected format:Specifications for storage and preservation of corrosive goods
WITHDRAWN published on 29.11.1999
Selected format:Specifications for storage and preservation of toxicant goods
WITHDRAWN published on 29.11.1999
Selected format:Basic functional requirement for management information system of mart
WITHDRAWN published on 29.11.1999
Selected format:Safety regulation for dust explosion protection in raw grain loading and unloading system in port
WITHDRAWN published on 29.11.1999
Selected format:Latest update: 2025-09-10 (Number of items: 2 232 034)
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