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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
Coagulation—Flocculation jar test of water
WITHDRAWN published on 24.6.1997
Selected format:Surveillance standard for plague epizootic
WITHDRAWN published on 16.6.1997
Selected format:The criteria for determinating plague natural foci and plague epizootics
WITHDRAWN published on 16.6.1997
Selected format:Diagnostic criteria and principles of management for epidemic cerebrospinal meningitis
WITHDRAWN published on 16.6.1997
Selected format:Surveillance standard for Brucellosis
WITHDRAWN published on 16.6.1997
Selected format:Biological evaluation of medical devices--Part 1: Guidance on selection of tests
WITHDRAWN published on 1.1.1997
Selected format:Biological evaluation of medical devices—Part 1:Evaluation and testing
WITHDRAWN published on 24.9.2001
Selected format:Biological evaluation of medical devices—Part 1:Evaluation and testing within a risk management process
WITHDRAWN published on 16.6.2011
Selected format:Biological evaluation of medical devices—Part 10:Tests for irritation and sensitization
WITHDRAWN published on 13.12.2000
Selected format:Biological evaluation of medical devices—Part 10:Tests for irritation and delayed-type hypersensitivity
WITHDRAWN published on 23.3.2005
Selected format:Latest update: 2026-02-01 (Number of items: 2 258 192)
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