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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
Tubular cored electrodes for non-alloy and fine grain steels
Standard published on 14.5.2018
Selected format:Silver brazing filler metals
Standard published on 14.5.2018
Selected format:Optics and optical instruments - Reference wavelengths
Standard published on 30.9.2009
Selected format:Lifting hooks - Part 1Mechanical properties, lifting capacities, stresses and materials
Standard published on 10.1.2011
Selected format:Lifting hooks - Part 10: Hook nuts
Standard published on 10.1.2011
Selected format:Lifting hooks - Part11: Securing plates for hook nuts
Standard published on 10.1.2011
Selected format:Lifting hooks - Part 12: Safety latch for lifting hook
Standard published on 10.1.2011
Selected format:Lifting hooks - Part 13: Technical conditions for laminated hooks
Standard published on 10.1.2011
Selected format:Lifting hooks - Part 14: Inspection of laminated hooks in service
Standard published on 10.1.2011
Selected format:Lifting hooks - Part 15: Laminated hooks with point
Standard published on 10.1.2011
Selected format:Latest update: 2024-12-21 (Number of items: 2 216 840)
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