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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
Fixed capacitors for use in electronic equipment—Part:14 Blank detail specification—Fixed capacitors for electromagnetic interference suppression and connection to the supply mains—Assessment level D
WITHDRAWN published on 19.1.1998
Selected format:General specification for horn loudspeakers
WITHDRAWN published on 21.5.1993
Selected format:Methods of measurement for horn loudspeakers
WITHDRAWN published on 14.6.1993
Selected format:"RASTI" method for the objective estimating of speech intelligibility in auditoria
WITHDRAWN published on 14.6.1993
Selected format:Printing specifications for charts
WITHDRAWN published on 9.6.1993
Selected format:Fundamental technical requirements for large and medium inlet valves of hydraulic turbine
WITHDRAWN published on 27.6.1993
Selected format:Fundamental technical requirements for large and medium inlet valves of hydraulic turbine
WITHDRAWN published on 29.6.2012
Selected format:Test method for compressive properties of glass fiber-reinforced plastics
WITHDRAWN published on 4.11.1978
Selected format:Standard practice for measuring the operating characteristics of eddy current flaw detecting system
WITHDRAWN published on 27.6.1993
Selected format:Non-destructive testing—Equipment for eddy current examination—Part 3:System characteristics and verification
WITHDRAWN published on 30.6.2008
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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