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Standards GB - Chinese national standards - Page 550
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 15623.1-2018
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Hydraulic fluid power—Electrically modulated hydraulic control valves—Part 1: Test methods for four-port directional flow-control valves
Standard published on 6.2.2018
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GB/T 15623.2-2017
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Hydraulic fluid power—Electrically modulated hydraulic control valves—Part 2: Test methods for three-port directional flow-control valves
Standard published on 1.11.2017
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GB/T 15623.3-2022
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Hydraulic fluid power—Electrically modulated hydraulic control valves—Part 3: Test methods for pressure control valves
Standard published on 12.10.2022
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GB/T 15624-2011
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Guidelines for standardization of services
Standard published on 30.12.2011
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GB/T 15625-2014
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Guidelines for technical evaluation of terminological database
Standard published on 6.5.2014
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GB/T 15628.1-2021
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Classification codes of China fauna—Part 1: Vertebrates
Standard published on 11.10.2021
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GB 15629.11-2003
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Information technology--Telecommunications and information exchange between systems--Local and metropolitan area networks--Specific requirements--Part 11: Wireless LAN Medium Access Control (MAC) andPhysical Layer(PHY) Specifications
Standard published on 12.5.2003
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GB 15629.1101-2006
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Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications: High-Speed Physical Layer in the 5.8 GHz Band
Standard published on 27.1.2006
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GB 15629.1102-2003
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Information technology--Telecommunications and information exchange between systems--Local and metropolitan area networks--Specific requirements--Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer(PHY) Specifications: Higher-Speed Physi
Standard published on 12.5.2003
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GB/T 15629.1103-2006
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Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications: Specification for operation in additional regulatory domains
Standard published on 27.1.2006
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