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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
Marine bronze external screwed draw-off cocks
WITHDRAWN published on 1.1.1980
Selected format:Marine bronze external screwed draw-off cocks
WITHDRAWN published on 18.12.1996
Selected format:Shaped insulating refractory products--Test method of the thermal conductivity (hot wire method)
WITHDRAWN published on 8.4.1986
Selected format:Refractory materials—Determination of thermal conductivity—Hot-wire method
WITHDRAWN published on 30.9.2006
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Aromatic tobacco—Packing,marking,storage and transport
WITHDRAWN published on 24.1.2000
Selected format:Aromatic tobacco—Testing method
WITHDRAWN published on 24.1.2000
Selected format:Aromatic tobacco testing method
WITHDRAWN published on 1.1.1986
Selected format:Fixed capacitors for use in electronic equipment--Part 4:sectional specification--Aluminium electrolytic capacitors with solid and non-solid electrolyte
WITHDRAWN published on 11.4.1986
Selected format:Fixed capacitors for use in electronic equipment--Part4:Blank detail specification--Aluminium electrolytic capacitors with non-solid electrolyte--Assessment level E
WITHDRAWN published on 11.4.1986
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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