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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
Detail specification for electronic components--Fixed polyester-polypropylene film dielectric metal foil D. C capacitors, type CH11--Assessment level E
WITHDRAWN published on 1.1.1989
Selected format:Hand reamers
WITHDRAWN published on 6.12.1973
Selected format:Radio-frequency coaxial connectors--Generic specification of
WITHDRAWN published on 1.1.1989
Selected format:Redio-frequency connectors—Part 1:Generic specification—General requirements and measuring methods
WITHDRAWN published on 12.11.1996
Selected format:Radio-frequency connectors Part 1-1:Single,multi-series blank detail specification
WITHDRAWN published on 11.12.2000
Selected format:Radio-frequency connectors—Part 24:Radio-frequency coaxial connectors with screw coupling, typically for use in 75cable distribution systems(Type F)
WITHDRAWN published on 5.11.2001
Selected format:R. F coaxial connectors of type N
WITHDRAWN published on 1.1.1989
Selected format:R. F coaxial connectors of type BNC
WITHDRAWN published on 1.1.1989
Selected format:R. F coaxial connectors of type SMA
WITHDRAWN published on 1.1.1989
Selected format:The technology of wire-wrapping
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2025-12-28 (Number of items: 2 253 436)
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