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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
Pendulum impact testing machines
WITHDRAWN published on 4.1.1995
Selected format:Verification of pendulum-type impact testing machines(ISO 148-2:1998,Metallic materials—Charpy pendulum impact test—Part 2:Verification of test machines, MOD)
WITHDRAWN published on 22.2.2002
Selected format:General faucets of ceramic washbasins
WITHDRAWN published on 27.7.1983
Selected format:Sampling schemes and methods for glazing ceramic tiles
WITHDRAWN published on 1.1.1983
Selected format:Test methods of ceramic tiles—Part 1:Sampling and basis for acceptance
WITHDRAWN published on 1.11.1999
Selected format:Test methods of ceramic tiles—Part 1:Sampling and basis for acceptance
WITHDRAWN published on 7.2.2006
Selected format:Test methods of ceramic tiles—Part 10:Determination of moisture expansion
WITHDRAWN published on 1.11.1999
Selected format:Test methods of ceramic tiles—Part 10:Determination of moisture expansion
WITHDRAWN published on 7.2.2006
Selected format:Test methods of ceramic tiles—Part 11:Determination of crazing resistance for glazed tiles
WITHDRAWN published on 1.11.1999
Selected format:Test methods of ceramic tiles—Part 11:Determination of crazing resistance for glazed tiles
WITHDRAWN published on 7.2.2006
Selected format:Latest update: 2025-12-28 (Number of items: 2 253 436)
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