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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
Metallic coating--Cd-Ti plating of low hydrogan embrittlement
Standard published on 13.12.1991
Selected format:Optical drawings
Standard published on 15.11.2009
Selected format:Terminology of heat treatment equipment
Standard published on 8.11.2006
Selected format:Earth-moving machineryHydraulic excavatorsLift capacity
Standard published on 24.7.2014
Selected format:Earth-moving machinery - Hydraulic excavators and backhoe loaders - Methods of determining tool forces
Standard published on 26.8.2008
Selected format:Concrete pump
Standard published on 14.5.2018
Selected format:Adjusting test chart for copying machine A3
Standard published on 2.7.2008
Selected format:The series model of hydrometrical instruments
Standard published on 4.6.2019
Selected format:Stationary lead-acid batteries - Vented types - Part 1: Technical conditions
Standard published on 29.7.2011
Selected format:Stationary lead-acid batteries - Vented types - Part 2: Capacity specifications and size
Standard published on 29.7.2011
Selected format:Latest update: 2026-05-13 (Number of items: 2 276 848)
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