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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
Standard logarithmic visual acuity charts
WITHDRAWN published on 27.3.1989
Selected format:Oil of spearmint
WITHDRAWN published on 1.1.1989
Selected format:Oil of patchouli
WITHDRAWN published on 1.1.1989
Selected format:Musk ambrette
WITHDRAWN published on 1.1.1989
Selected format:Musk xylol
WITHDRAWN published on 1.1.1989
Selected format:Essential oils—Analysis by gas chromatography on capillary columns—General method
WITHDRAWN published on 11.7.1989
Selected format:Isolate and synthetic aromatics—Analysis by gas chromatography on packed columns—General method
WITHDRAWN published on 11.7.1989
Selected format:Screwing cap type lubricating cups
WITHDRAWN published on 1.1.1989
Selected format:Isolate and synthetic aroma chemicals—Determination of relative density
WITHDRAWN published on 11.7.1989
Selected format:Photographic base paper
WITHDRAWN published on 27.7.1989
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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