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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
Oil for use in the carbon black products—Ethylene bottom
WITHDRAWN published on 24.9.2002
Selected format:Photography—Industrial radiographic film—Determination of ISO speed and average gradient when exposed to X-and -radiation
WITHDRAWN published on 16.1.1998
Selected format:Methods of accelerated life test of fluorescent display tubes
WITHDRAWN published on 29.6.1988
Selected format:Blank detail specification for metal ceramic transmitting tubes of anode dissipation over 1kW
WITHDRAWN published on 29.6.1988
Selected format:Methods of measurement of Geiger-muller counter tubes
WITHDRAWN published on 29.6.1988
Selected format:Specifications for ring--Circlips
WITHDRAWN published on 2.7.1986
Selected format:Fixed capacitors for use in electronic equipment--Sectional specification--Fixed high reactive power--Class 1 ceramic dielectric capacitors
WITHDRAWN published on 29.6.1988
Selected format:Fixed capacitors for use in electronic equipment--Blank detail specification--Fixed high reactive power--Class 1 ceramic dielectric capacitors--Assessment level E
WITHDRAWN published on 29.6.1988
Selected format:-
WITHDRAWN published on 1.5.1981
Selected format:Plain washers--Large series--Product grades A and C
WITHDRAWN published on 1.8.1985
Selected format:Latest update: 2024-09-04 (Number of items: 2 346 114)
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