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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
Potentiometers for use in electronic equipment. Part 5: Blank detail specification. Single-turn rotary low-power potentiometers. Assessment level F
WITHDRAWN published on 7.10.1997
Selected format:-
WITHDRAWN published on 1.1.1992
Selected format:Cycle inner tubes
WITHDRAWN published on 10.9.1997
Selected format:Cycle inner tubes
WITHDRAWN published on 18.6.2008
Selected format:Poly vinylidene chloride(PVDC) flat-film for food-packaging
WITHDRAWN published on 9.10.1997
Selected format:Polyvinylidene chloride (PVDC) flat-film for food-packaging
WITHDRAWN published on 25.6.2008
Selected format:Textiles—Testing method for transmission of ultraviolet ray
WITHDRAWN published on 9.10.1997
Selected format:Textiles—Cotton yarns—Specifications for trade
WITHDRAWN published on 9.10.1997
Selected format:Fixed resistors for use in electronic equipment. Part 2: Blank detail specification. Fixed low-power non-wirewound resistors. Assessment level F
WITHDRAWN published on 13.10.1997
Selected format:Fixed resistors for use in electronic equipment. Part 4: Blank detail specification. Fixed power resistors, heat-sink types. Assessment level H
WITHDRAWN published on 13.10.1997
Selected format:Latest update: 2025-11-14 (Number of items: 2 243 651)
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