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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
Single sideband(SSB) system specifications for HF broadcasting
WITHDRAWN published on 22.12.1995
Selected format:Food additive—Monascus color
WITHDRAWN published on 26.12.1995
Selected format:Food additive—Monascus color
WITHDRAWN published on 30.6.2005
Selected format:Glossary of printing ink terms
WITHDRAWN published on 26.12.1995
Selected format:Glossary of printing ink terms
WITHDRAWN published on 19.8.2008
Selected format:Sodium lauryl sulfate
WITHDRAWN published on 26.12.1995
Selected format:Sodium lauryl sulfate
WITHDRAWN published on 30.12.2008
Selected format:Hand-knotted carpets—Determination of number of tufts per unit length
WITHDRAWN published on 26.12.1995
Selected format:Hand-knotted carpet—Determination of length of pile
WITHDRAWN published on 26.12.1995
Selected format:Primary parameter and general specification for hydrologic instrument
WITHDRAWN published on 19.12.1995
Selected format:Latest update: 2025-11-10 (Number of items: 2 243 715)
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