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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 methods of thermal output of heating radiators
WITHDRAWN published on 4.11.2008
Selected format:Three-column centrifuge-Specifications
WITHDRAWN published on 5.11.1992
Selected format:Three-column centrifuge—Types and basic parameters
WITHDRAWN published on 5.11.1992
Selected format:Packaging—Dimensions of sack transport packages
WITHDRAWN published on 4.11.1992
Selected format:Viscose filament yarn
WITHDRAWN published on 14.8.1992
Selected format:Geotextiles—Vocabulary
WITHDRAWN published on 4.11.1992
Selected format:Geotextiles—Sampling and preparation of test specimens
WITHDRAWN published on 4.11.1992
Selected format:Geotextiles—Determination of thickness
WITHDRAWN published on 4.11.1992
Selected format:Geosynthetics—Determination of thickness at specified pressures—Part 1:Single layers
WITHDRAWN published on 19.6.2009
Selected format:Geotextiles—Determination of mass per unit area
WITHDRAWN published on 4.11.1992
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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