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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
Specification of leadframes for plastic quad flat package
WITHDRAWN published on 22.12.1995
Selected format:Specification of DIP leadframes produced by etching
WITHDRAWN published on 22.12.1995
Selected format:Specification of leadframes for small outline package
WITHDRAWN published on 22.12.1995
Selected format:Mechanical standardization of semiconductor devices Part 5:Recommendations applying to tape automated bonding (TAB) of integrated circuits
WITHDRAWN published on 22.12.1995
Selected format:Clinical thermometer
WITHDRAWN published on 1.1.1989
Selected format:Fixed film resistor networks for use in electronic equipment. Part 2: Sectional specification for film resistor networks of assessed quality on the basis of the capability approval procedure
WITHDRAWN published on 22.12.1995
Selected format:Fixed film resistor networks for use in electronic equipment. Part 2: Blank detail specification for film resistor networks of assessed quality on the basis of the capability approval procedure. Assessment level E
WITHDRAWN published on 22.12.1995
Selected format:Fixed resistors for use in electronic equipment. Part 5: Blank detail specification: Fixed precision resistors. Assessment level F
WITHDRAWN published on 22.12.1995
Selected format:Fixed resistors for use in electronic equipment. Part 4: Blank detail specification: Fixed power resistors. Assessment level F
WITHDRAWN published on 22.12.1995
Selected format:R.F. coaxial connectors, type SMC
WITHDRAWN published on 22.12.1995
Selected format:Latest update: 2025-11-10 (Number of items: 2 243 715)
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