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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
Point micrometers
WITHDRAWN published on 24.4.1986
Selected format:Pointed-contact micrometer with conical tips
WITHDRAWN published on 10.2.2004
Selected format:Three point internal micrometers
WITHDRAWN published on 24.4.1986
Selected format:Internal micrometers with three—point contact
WITHDRAWN published on 10.2.2004
Selected format:Universal bevel protractor
WITHDRAWN published on 1.1.1986
Selected format:Vernier universal bevel protractor
WITHDRAWN published on 5.7.1996
Selected format:Gear tooth vernier calipers
WITHDRAWN published on 1.1.1986
Selected format:Gear tooth vernier calipers
WITHDRAWN published on 5.7.1996
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Dail calipers
WITHDRAWN published on 3.5.1993
Selected format:Latest update: 2026-04-16 (Number of items: 2 272 849)
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