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Standards GB - Chinese national standards - Page 525
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
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GB/T 15389-2025
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Fasteners—Threaded rods
Standard published on 5.10.2025
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GB/T 1539-2007
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Paperboard - Determination of bursting strength
Standard published on 5.12.2007
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GB/T 15390-2005
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Cranked-link mill chains of welded construction,attachments and sprockets
Standard published on 19.9.2005
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GB/T 15391-2010
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Dimension,shape and tolerances for cold-rolled steel strips with a width less than 600mm
Standard published on 2.9.2010
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GB/T 15394-1994
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General specification for probe tester
Standard published on 28.12.1994
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GB/T 15395-1994
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General technical specification for cabinet of elect-ronic equipment
Standard published on 28.12.1994
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GB/T 15396-1994
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Dimensions for hexagonal and square crimping-die cavities indentors gaugesouter conductor crimp sleeves and centre contact crimp barrels for r.f. cables and connectors
Standard published on 28.12.1994
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GB/T 15397-1994
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Measurement methods of A-chain and B-chain electro-acoustic frequency response of motion-picture control roomsreview rooms and indoor theatres
Standard published on 28.12.1994
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GB/T 15399-2018
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Determination of sulfur amino acids in feeds—Ion exchange chromatography
Standard published on 17.9.2018
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GB 154-2013
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Sleeper
Standard published on 12.11.2013
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