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
Alumina powders for use in electron ceramics
Standard published on 26.7.1994
Selected format:Generic specification for piezoelectric ceramic for use in filters
Standard published on 26.7.1994
Selected format:Generic specification for piezoelectric ceramic transducing elements
Standard published on 2.6.2015
Selected format:Connectors for frequencies below 3MHz for use with printed boards Part l:Generic specification—General requirements and guide for the preparation of detail specifications, with assessed quality
Standard published on 26.7.1994
Selected format:Connectors for frequencies below 3 MHz for use with printed boards—Part 12:Detail specification for dimensions,general requirements and tests for a range of sockets designed for use with integrated circuits
Standard published on 30.12.2011
Selected format:Connectors for frequencies below 3 MHz for use with printed boards - Part 14: Detail specification for circular connectors for low-frequency audio and video applications such as audio, video and audio-visual equipment
Standard published on 29.6.2007
Selected format:Connectors for frequencies below 3 MHz for use with printed boards—Part 2:Detail specification for two-part connectors with assessed quality,for printed boards,for basic grid of 2.54 mm with common mounting features
Standard published on 31.12.2015
Selected format:Connectors for frequencies blow 3MHz for use with printed boards—Part 7:Detail specification for connectors,8-way,including fixed and free connectors with common mating features, with assessed quality
Standard published on 4.12.2002
Selected format:Composite material strips of precious metals and their alloys
Standard published on 19.11.2020
Selected format:Manganese ores - Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometric method
Standard published on 12.9.2006
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
© Copyright 2026 NORMSERVIS s.r.o.