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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
Aluminium rod for electrical purpose
WITHDRAWN published on 10.7.2001
Selected format:Aluminium and aluminium alloys rod for electrical purpose
WITHDRAWN published on 9.6.2008
Selected format:Aluminium and aluminium alloys rod for electrical purpose
WITHDRAWN published on 24.7.2014
Selected format:Aluminium and aluminium alloys rod for electrical purpose
WITHDRAWN published on 24.7.2014
Selected format:Mechanical pencils for technical drawings—Part 2: Black leads—Classification and dimensions
WITHDRAWN published on 21.7.2020
Selected format:Mechanical pencils for technical drawings—Part 3: Black leads—Bending strengths of HB leads
WITHDRAWN published on 21.7.2020
Selected format:Round aluminium wire for electrical purposes
WITHDRAWN published on 26.11.1983
Selected format:Conductor for cables and wires for electrical appliances and equipments copper and aluminum
WITHDRAWN published on 1.1.1983
Selected format:Conductors of insulated cables
WITHDRAWN published on 28.10.1997
Selected format:Determination of certain substances in electrical and electronic products—Part 2:Disassembly,disjointment and mechanical sample preparation
WITHDRAWN published on 14.12.2020
Selected format:Latest update: 2025-11-12 (Number of items: 2 243 625)
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