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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
Terms of drilling engineering
WITHDRAWN published on 20.7.1988
Selected format:The preparation of plate specimens for testing of building paints and ciatings
WITHDRAWN published on 1.1.1988
Selected format:Sand textured building coating based on synthetic resin emulsion
WITHDRAWN published on 1.1.1988
Selected format:Determination for freeze-thaw resistance of film of boilding coatings
WITHDRAWN published on 1.1.1988
Selected format:Hollow shaped steel door
WITHDRAWN published on 6.5.1988
Selected format:Solid shaped steel door
WITHDRAWN published on 6.5.1988
Selected format:Solid shaped steel sdreening door and window
WITHDRAWN published on 1.1.1988
Selected format:Mechanica test methods for windows
WITHDRAWN published on 6.5.1988
Selected format:Safety requirements for radio transmitting equipment
WITHDRAWN published on 27.4.1988
Selected format:Rolling bearing accessories--Tapered adapters--Basic dimensions
WITHDRAWN published on 1.1.1988
Selected format:Latest update: 2026-09-21 (Number of items: 2 302 422)
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