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
Water quality--Determination ofBHC and DDT--Gas chromatography
Standard published on 6.3.1987
Selected format:Water quality--Determination of nitrogen(nitrite)--Spectrophotometric method
Standard published on 6.3.1987
Selected format:Water quality--Determination of anionic surfactants--Methylene blue spectrophotometric method
Standard published on 6.3.1987
Selected format:The protecting distance betweenoverhead power line and receiving station of AM broadcasting
Standard published on 24.3.1987
Selected format:Microprocessor system bus - 8-bit and 16-bit data (MULTIBUS ) - Part 1: Functional description with electrical and timing specifications
Standard published on 6.8.2008
Selected format:Microprocessor system bus - 8-bit and 16-bit data (MULTIBUS ) - Part 2: Mechanical and pin descriptions for the system bus configuration, with edge connectors(direct)
Standard published on 6.8.2008
Selected format:Microprocessor system bus - 8-bit and 16-bit data (MULTIBUS ) - Part 3: Mechanical and pin descriptions for the Eurocard configuration with pin and socket (indirect) connectors
Standard published on 6.8.2008
Selected format:Slotted set screws with long dog point
Standard published on 28.12.2018
Selected format:Test method for autoclave expansion of cement
Standard published on 26.10.2024
Selected format:Blank detail specification for microprocessor semiconductor integrated circuits
Standard published on 25.3.1987
Selected format:Latest update: 2026-05-14 (Number of items: 2 277 490)
© Copyright 2026 NORMSERVIS s.r.o.