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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
Calculation of load capacity of spline
Standard published on 7.9.2017
Selected format:Radiotherapy simulators--Functional performance characteristics and test methods
Standard published on 10.9.1999
Selected format:Medical radiology--Terminology(Equipment for radiotherapynuclear medicine and radiation dosimetry)
Standard published on 10.9.1999
Selected format:packaging - Sacks - Vocabulary and types - Part 1paper sacks
Standard published on 1.4.2008
Selected format:Packaging sacks - Vocabulary and types - Part 2: Sacks made from thermoplastic flexible film
Standard published on 26.9.2010
Selected format:Packaging sacks—Vocabulary and types—Part 3:Woven sacks
Standard published on 2.6.2020
Selected format:Classified criteria for security protection of computer information system
Standard published on 13.9.1999
Selected format:Electrical measuring instruments--X-t recorders--Part 1:Definitions and requirements
Standard published on 13.9.1999
Selected format:Electrical measuring instruments--X-t recorders--Part 2:Recommended additional test methods
Standard published on 13.9.1999
Selected format:Office equipment--Offset duplicators--Attachment features of plates
Standard published on 13.9.1999
Selected format:Latest update: 2026-09-04 (Number of items: 2 300 131)
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