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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
Testing of chemicals - Alga growth inhibition test
WITHDRAWN published on 12.5.2008
Selected format:Chemicals—Fish,prolonged toxicity:14-day study test
WITHDRAWN published on 12.5.2008
Selected format:(The parts and units of jigs and fixtures. Eccentric platen)
WITHDRAWN published on 1.1.1991
Selected format:Testing of chemicals - Inherent biodegradability - Modified MITI test II
WITHDRAWN published on 12.5.2008
Selected format:(The parts and units of jigs and fixtures. Eccentric with a wide head plate)
WITHDRAWN published on 1.1.1991
Selected format:Chemicals - Test method of acute oral toxicity - Up and down procedure (UDP)
WITHDRAWN published on 12.5.2008
Selected format:Chemicals - Test method of skin sensitization - Local lymph node assay LLNA
WITHDRAWN published on 12.5.2008
Selected format:Testing of chemicals - Daphnia magna reproduction test
WITHDRAWN published on 12.5.2008
Selected format:(The parts and units of jigs and fixtures. Platen)
WITHDRAWN published on 1.1.1991
Selected format:Austenitic-Ferritic (duplex) grade stainless steel welded tubes and pipes
WITHDRAWN published on 13.5.2008
Selected format:Latest update: 2026-04-21 (Number of items: 2 274 412)
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