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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
Marine axial flow fans
Standard published on 3.3.2008
Selected format:Marine centrifugal fans
Standard published on 3.3.2008
Selected format:Shipbuilding and marine structures—Deck machinery—Towing winches for deep sea use
Standard published on 17.9.2018
Selected format:Limits of airborne noise emitted by marine diesel engines
Standard published on 9.3.2009
Selected format:Direction of opening and symbolic designation of marine doors and windows
Standard published on 2.12.1989
Selected format:Marine rate of turn indicators
Standard published on 2.9.2010
Selected format:General specification for follow-up pilot of ship
Standard published on 5.3.2007
Selected format:Marine autopilot with gyro compass
Standard published on 2.9.2010
Selected format:Die-blocks used for die-forging hammers and large mechanical forging presses
Standard published on 29.9.2024
Selected format:Shuttlecocks
Standard published on 31.3.2006
Selected format:Latest update: 2025-12-29 (Number of items: 2 253 390)
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