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
Electrostatic copying machines—Document copiers
WITHDRAWN published on 23.3.1999
Selected format:Electrostatic copying machines--Part 1:Document copiers
WITHDRAWN published on 2.7.2008
Selected format:Electrostatic copying machines—Potable copiers
WITHDRAWN published on 23.3.1999
Selected format:Electrostatic copying machnies--Part 2:Potable copiers
WITHDRAWN published on 2.7.2008
Selected format:Electrostatic copying machines—Engineering copiers
WITHDRAWN published on 23.3.1999
Selected format:Electrostatic copying machines—Part 3:Engineering copiers
WITHDRAWN published on 2.7.2008
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:Office machine--Offset duplicator
WITHDRAWN published on 1.1.1989
Selected format:Standard test method for particle size measurement of dry toners
WITHDRAWN published on 1.1.1989
Selected format:Standard test method for surface defect of photoconductor for electrostatic copying process
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2026-01-28 (Number of items: 2 257 539)
© Copyright 2026 NORMSERVIS s.r.o.