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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
Method for testing cryogenic transmissivityof crystals
Standard published on 16.6.1997
Selected format:Test pieces and methods for tensile test for wrought aluminium, magnesium and their alloy products
Standard published on 6.8.2023
Selected format:Dimensions and tolerances of copper and copper alloy seamless tubes
Standard published on 26.9.2006
Selected format:
Dimensions and tolerances of copper and copper alloy seamless tubes
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Commodity and service quality management specification
Standard published on 6.5.2009
Selected format:Fresh and frozen poultry product
Standard published on 23.3.2005
Selected format:Rubber, vulcanized—Determination of temperature rise and resistance to fatigue in flexometer testing—Part 1: Basic principles
Standard published on 13.12.2016
Selected format:Rubber, vulcanized—Determination of temperature rise and resistance to fatigue in flexometer testing—Part 3: Compression flexometerconstant-strain type
Standard published on 13.12.2016
Selected format:Rubber,vulcanized—Determination of temperature rise and resistance to fatigue in flexometer testing—Part 4: Constant-stress flexometer
Standard published on 11.10.2021
Selected format:Asparagus - Guide to storage
Standard published on 15.11.2009
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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