We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
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
Information processing--Volume and file structure of flexible disk cartridges for information interchange
Standard published on 30.9.1992
Selected format:General requirements for shipboard radio communication installations
Standard published on 4.6.2019
Selected format:Blank detail specification of X-ray tubes for industry
Standard published on 11.9.2015
Selected format:Fibre optic modulators--Part 1:Generic specification
Standard published on 4.10.1992
Selected format:Fibre optic branching devices--Part 1:Generic speci-fication
Standard published on 4.10.1992
Selected format:Fiber optic branching devices--Part 3:Sectional specification--One-to-n wavelength multiplexer/demultiplexer
Standard published on 4.10.1992
Selected format:Contemporary Chinese language word segmentation specification for information processing
Standard published on 4.10.1992
Selected format:Performance requirements and testing methods for power supplies used in the mobile communication
Standard published on 31.12.2013
Selected format:821 BUS - Microprocessor system bus for 1 to 4 byte data
Standard published on 6.8.2008
Selected format:General principles and methods for establishing terminology database
Standard published on 30.8.2019
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
© Copyright 2026 NORMSERVIS s.r.o.