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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
Screwdrivers--Designations and nomenclature
WITHDRAWN published on 1.1.1989
Selected format:Screwdrivers--General technical requirements
WITHDRAWN published on 31.3.1989
Selected format:Screwdrivers—General technical requirements
WITHDRAWN published on 27.1.2003
Selected format:Screwdrivers--Test methods
WITHDRAWN published on 31.3.1989
Selected format:Screwdriver blades for slotted head screws
WITHDRAWN published on 1.1.1989
Selected format:Screwdriver blades for cross-recessed head screws
WITHDRAWN published on 1.1.1989
Selected format:Screwdriver for slotted head screws
WITHDRAWN published on 1.1.1989
Selected format:Screwdriver for recessed head screws
WITHDRAWN published on 1.1.1989
Selected format:Spiral ratchet screwdriver
WITHDRAWN published on 1.1.1989
Selected format:Free wheels for bicycles
WITHDRAWN published on 31.3.1989
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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