Standards GB - Chinese national standards - Page 562

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 15629.15-2010

Information technology - Telecommunications and information exchange between systems local and metropolitan area networks - Specific requirements - Part 15.4: Wireless medium access control and physical layerPHY)specification for low rate wireless personal area networks

Standard published on 2.9.2010

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GB/T 15629.16-2017

Information technologyTelecommunications and information exchange between systemsLocal and metropolitan area networks—Specific requirements—Part 16: Air interface for broadband wireless multimedia systems

Standard published on 31.5.2017

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GB/T 15629.2-2008

Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 2: Logical link control

Standard published on 28.7.2008

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GB/T 15629.3-2014

Information technology—Telecommunications and information exchange between systems—Local and metropolitan area networks—Specific requirements—Part 3:Carrier sense multiple access with collision detection (CSMA/CD) access method and physical layer specification

Standard published on 22.12.2014

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GB/T 1563-2017

Taper keys—Cross section dimensions of keyways

Standard published on 28.2.2017

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