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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
Nasal gun-shaped forceps
WITHDRAWN published on 1.1.1989
Selected format:Ophthalmic forceps
WITHDRAWN published on 1.1.1984
Selected format:Iris forceps
WITHDRAWN published on 1.1.1984
Selected format:Fixation forceps
WITHDRAWN published on 1.1.1984
Selected format:Trachoma forceps
WITHDRAWN published on 1.1.1984
Selected format:Surgical instruments shank knurl
WITHDRAWN published on 1.1.1984
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Petroleum equipment. Thread gages for rotary shouldered connections
WITHDRAWN published on 15.10.1993
Selected format:Petroleum equipment—Thread gages for rotary shouldered connections
WITHDRAWN published on 16.6.2003
Selected format:Sampling for commercial coal
WITHDRAWN published on 14.6.1996
Selected format:Latest update: 2026-02-03 (Number of items: 2 259 855)
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