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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
Sintered metal materials and hardmetals—Determination of Young""s modulus
WITHDRAWN published on 15.12.1998
Selected format:Sintered metal materials and hardmetals—Determination of electrical resistivity
WITHDRAWN published on 8.5.1985
Selected format:-Titanium alloys—Examination of structure
WITHDRAWN published on 8.5.1985
Selected format:Microstructure and macrostructure examination for - titanium alloys
WITHDRAWN published on 9.6.2008
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Fire hazard testing for electric and electronic products—Part 4:Terminology concerning fire tests
WITHDRAWN published on 3.7.1997
Selected format:Fire hazard testing for electric and electronic products—Part 1:Terminology concerning fire tests
WITHDRAWN published on 6.8.2007
Selected format:Fire hazard testing for electric and electronic products—Part 1: Terminology concerning fire tests
WITHDRAWN published on 9.10.2015
Selected format:Fire hazard testing for electric and electronic products—Test methods—Glow-wire test methods—General
WITHDRAWN published on 26.12.1997
Selected format:Fire hazard testing for electric and electronic products—Part 10:Glow/hot-wire based test methods—Glow-wire apparatus and common test procedure
WITHDRAWN published on 19.12.2006
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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