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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
Criteria of delimitation for IDD endemic areas
WITHDRAWN published on 23.1.1996
Selected format:Criteria of elimination on iodine deficiency disorders
WITHDRAWN published on 23.1.1996
Selected format:Control, checking and accepting methods of kashin-beck disease area
WITHDRAWN published on 23.1.1996
Selected format:Workplace air-Determination of lead-Graphite furnace atomic absorption spectrophotometric method
WITHDRAWN published on 23.1.1996
Selected format:Workplace air—Determination of lead—Dithizone spectrophotometric method
WITHDRAWN published on 23.1.1996
Selected format:-
WITHDRAWN published on 1.1.1979
Selected format:Determination method of pH value for pesticides
WITHDRAWN published on 30.12.1993
Selected format:Workplace air—Determination of lead—Flame atomic absorption spectrophotometric method
WITHDRAWN published on 23.1.1996
Selected format:Workplace air—Determination of lead sulfide—Flame atomic absorption spectrophotometric method
WITHDRAWN published on 23.1.1996
Selected format:Workplace air—Determination of mercury—Flameless atomic absorption spectrophotometric method
WITHDRAWN published on 23.1.1996
Selected format:Latest update: 2025-11-09 (Number of items: 2 243 571)
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