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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
Semiconductor integrated circuits—Specification for stamped leadframes of plastic DIP
WITHDRAWN published on 21.1.1993
Selected format:Photomentric and colorimetric methods of measurement of color liquid crystal displays
WITHDRAWN published on 21.1.1993
Selected format:Blank detail specification of color liquid crystal displays
WITHDRAWN published on 21.1.1993
Selected format:Pig iron used for spheroidal graphite cast iron
WITHDRAWN published on 17.4.1985
Selected format:Dimensions for the mounting of single-hole, bush-mounted, spendle-operated electronic components
WITHDRAWN published on 18.3.1993
Selected format:Fixed capacitors for use in electronic equipment—Part 3:Sectional specification-Fixed tantalum chip capacitors
WITHDRAWN published on 21.1.1993
Selected format:Fixed capacitors for use in electronic equipment—Part 3:Blank detail specification:chip capacitors—Assessment level E
WITHDRAWN published on 18.3.1993
Selected format:Characteristics description for shock testing machines
WITHDRAWN published on 3.2.1993
Selected format:Mechanical vibration and shock—Measurement and evaluation of vibration effects on buildings—Guidelines for the use of basic standard methods
WITHDRAWN published on 3.2.1993
Selected format:Vibration and shock sensitive equipment—Methods of measurement and reporting data of vibration and shock effects in buildings
WITHDRAWN published on 3.2.1993
Selected format:Latest update: 2025-06-30 (Number of items: 2 206 311)
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