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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
Wrought aluminium alloy extruded profiles for architecture—Part 5:PVDF coating profiles
WITHDRAWN published on 1.11.2004
Selected format:Wrought aluminium alloy extruded profiles for architecture—Part 5:PVDF coating profiles
WITHDRAWN published on 28.8.2008
Selected format:Wrought aluminium alloy extruded profiles for architecture—Part 6:Thermal barrier profiles
WITHDRAWN published on 1.11.2004
Selected format:Wrought aluminium alloy extruded profiles for architecture—Part 6:Thermal barrier profiles
WITHDRAWN published on 11.5.2012
Selected format:Monocrystalline germanium
WITHDRAWN published on 1.1.1985
Selected format:Monocrystalline germanium
WITHDRAWN published on 17.10.1995
Selected format:Monocrystalline germanium and monocrystalline germanium slices
WITHDRAWN published on 30.10.2009
Selected format:Monocrystalline germanium and monocrystalline germanium slices
WITHDRAWN published on 30.10.2009
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Praseodynium oxide
WITHDRAWN published on 15.9.1993
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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