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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
Programmadle measuring instruments - Interface system(byte serial,bit parallel) - Codes, formats, pprotocols and common commands
Standard published on 30.6.2008
Selected format:Standard data element types with associated classification scheme for electric items - Part 1Definitions - Principles and methods
Standard published on 29.7.2011
Selected format:Standard data element types with associated classification scheme for electric components - Part 2: EXPRESS dictionary schema
Standard published on 17.12.2013
Selected format:Standard data element types with associated classification scheme for electric components - Part 4: IEC reference collection of standard data element types and component classes
Standard published on 13.3.2009
Selected format:Standard data element types with associated classification scheme for electric components—Part 6: IEC Common Data Dictionary (IEC CDD) quanlity guidelines
Standard published on 20.8.2021
Selected format:General specifications for burglary-resistant security doors
Standard published on 1.12.2022
Selected format:Muster list for seagoing transport merchant ship
Standard published on 10.8.2021
Selected format:Clearance levels for recycle and reuse of steelaluminumnickel and copper from nuclear facilities
Standard published on 13.3.2009
Selected format:Specifications for design construction and use of gamma irradiation facilities
Standard published on 4.6.2019
Selected format:Classification for the items of pressurized water reactor nuclear power plants
Standard published on 11.10.2021
Selected format:Latest update: 2026-09-03 (Number of items: 2 300 115)
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