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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
Test method of pules signal generators
WITHDRAWN published on 9.6.1988
Selected format:General specifications for 6GHz 1800 telephone channels/colour TV used in analogue terrestrial radio-relay systems
WITHDRAWN published on 11.6.1988
Selected format:Fixed capacitors for use in electronic equipment--Part 8(1):Sectional specification--Fixed class 1 high voltage ceramic dielectric capacitors
WITHDRAWN published on 10.6.1988
Selected format:Fixed capacitors for use in electronic equipment--Part 8(1):Blank detail specification--Fixed class 1 ceramic dielectric capacitors--Assessment level E
WITHDRAWN published on 10.6.1988
Selected format:Fixed capacitors for use in electronic equipment--Part 9(1):Sectional specification--Fixed class 2 high voltage ceramic dielectric capacitors
WITHDRAWN published on 10.6.1988
Selected format:Fixed capacitors for use in electronic equipment--Part 9(1):Blank detail specification--Fixed class 2 ceramic dielectric capacitors--Assessment level E
WITHDRAWN published on 10.6.1988
Selected format:Fixed capacitors for use in electronic equipment--Part 10:Sectional specification--Fixed multilayer ceramic chip capacitors
WITHDRAWN published on 9.7.1996
Selected format:Fixed capacitors for use in electronic equipment—Part 10:Blank detail specification Fixed multilayer ceramic chip capacitors Assessment level E
WITHDRAWN published on 9.7.1996
Selected format:Oil-filled paper-insulated cables and accessories for alternating voltages up to and including 330kV--General
WITHDRAWN published on 11.6.1988
Selected format:Oil-filled paper-insulated cables and accessories for alternating voltages up to and including 330kV--Oil filled paper insulated cables
WITHDRAWN published on 11.6.1988
Selected format:Latest update: 2025-02-07 (Number of items: 2 224 292)
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