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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
Test on gases evolved during combustion of materials from cables Part 2:Determination of degree of acidity of gases by measuring pH and conductivity
WITHDRAWN published on 21.12.1998
Selected format:Measurement of smoke density of cables burning under defined conditions Part 1:Test apparatus
WITHDRAWN published on 21.12.1998
Selected format:Measurement of smoke density of cables burning under defined conditions Part 2:Test procedure and requirements
WITHDRAWN published on 21.12.1998
Selected format:Safety of electrically heated blankets, pads and similar flexible heating appliances for household use
WITHDRAWN published on 17.11.1998
Selected format:Road vehicles—Spin-on fuel filters for compression-ignition engines—Mounting and connecting dimensions
WITHDRAWN published on 8.1.1999
Selected format:Regional emblem of Macao Special Administrative Region
WITHDRAWN published on 1.2.1999
Selected format:Plywood for concrete form
WITHDRAWN published on 25.1.1999
Selected format:Plywood for concrete form
WITHDRAWN published on 2.9.2008
Selected format:Test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels
WITHDRAWN published on 25.1.1999
Selected format:Test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels
WITHDRAWN published on 12.11.2013
Selected format:Latest update: 2026-04-27 (Number of items: 2 274 955)
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