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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 of vibration measurement for walking tractors
Standard published on 25.6.2007
Selected format:General technical specification for metro vehicles
Standard published on 5.12.2003
Selected format:General technical specification for metro vehicles
Standard published on 31.10.2025
Selected format:Specifications for aerophotogrammetric office operation of 1:500 1:1 000 1:2 000 topographic maps
Standard published on 20.6.2008
Selected format:Specifications for aerophotogrammetric field work of 1:500 1:1 000 1:2 000 topographic maps
Standard published on 20.6.2008
Selected format:Pneumatic fluid power-General rules and safety requirements for systems and their components
Standard published on 12.7.2017
Selected format:Hydraulic two-port slip-in cartridge valves—Technical requirements
Standard published on 1.11.2017
Selected format:Hydraulic fluid power-General requirements for hydraulic components
Standard published on 11.7.2005
Selected format:Hydraulic fluid power-positive displacement pumps and motors - Determination of derived capacity
Standard published on 31.12.2012
Selected format:Connections for hydraulic fluid power—Test methods—Part 1: Connectors
Standard published on 15.3.2024
Selected format:Latest update: 2026-05-13 (Number of items: 2 276 848)
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