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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
Pyrites and concentrate—Determination of zinc content—Part 3:PAN Spectrophotometric method
WITHDRAWN published on 25.10.1996
Selected format:Flatting and puddling paddy field machine
WITHDRAWN published on 30.11.2009
Selected format:Rice binder
WITHDRAWN published on 30.11.2009
Selected format:Equipment for crop protection—Frequency oscillation pest-killing light trap
WITHDRAWN published on 30.11.2009
Selected format:Teabag
WITHDRAWN published on 30.11.2009
Selected format:Cleaning agent for fruit and vegetable
WITHDRAWN published on 30.11.2009
Selected format:Surface active agents—Detergents for domestic machine dishwashing—Guider for comparative testing of performance
WITHDRAWN published on 30.11.2009
Selected format:Glass containers—Chinese spirits bottle
WITHDRAWN published on 30.11.2009
Selected format:-
WITHDRAWN published on 1.1.1988
Selected format:General rule of acceptance, package, mark and certification for steel plates(sheets) and strips
WITHDRAWN published on 11.11.1997
Selected format:Latest update: 2026-04-02 (Number of items: 2 270 295)
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