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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
Electrical installations of buildings—Part 7:Requirements for special installations or location—Section 706:Restrictive conducting locations
WITHDRAWN published on 17.10.2000
Selected format:Digital recorders for measurements in high—Voltage impulse tests—Part 1:Requirements for digital recorders
WITHDRAWN published on 28.7.1997
Selected format:Instruments and software used for measurements in high-voltage impulse tests Part 1:requirements for instruments
WITHDRAWN published on 6.2.2005
Selected format:Digital recorders for measurements in high-voltage impulse tests—Part 2:Software requirement
WITHDRAWN published on 10.11.2010
Selected format:Brake hose
WITHDRAWN published on 30.6.1997
Selected format:Brake hose—Structure,performance and test methods
WITHDRAWN published on 10.1.2011
Selected format:Safety rules for the construction and installation of escalators and passenger conveyors
WITHDRAWN published on 2.7.1997
Selected format:Rubber, vulcanized-Determination of the effect of liquids
WITHDRAWN published on 12.12.1992
Selected format:Rubber,vulcanized or thermoplastic—Determination of the effect of liquids
WITHDRAWN published on 1.9.2006
Selected format:Rules for the presentation of graphical symbols—General principles
WITHDRAWN published on 27.6.1997
Selected format:Latest update: 2025-09-14 (Number of items: 2 232 183)
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