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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
Rims for passenger car
WITHDRAWN published on 11.9.2015
Selected format:Hardmetals—metallographic determination of microstructure
WITHDRAWN published on 21.2.1983
Selected format:Hardmetals—Metallographic determination of microstructure—Part 1:Photomicrographs and description
WITHDRAWN published on 5.12.2014
Selected format:Test conditions for the 5-axis simultaneous machining centers—Part 1: Testing of the accuracy for horizontal machine
WITHDRAWN published on 1.11.2017
Selected format:Test conditions for the 5-axis simultaneous machining centers—Part 2: Testing of the accuracy for vertical machine
WITHDRAWN published on 1.11.2017
Selected format:Inspection condition for 5-axis simultaneous machining center—Part 3: Specifications
WITHDRAWN published on 14.5.2018
Selected format:Hardmetals—Metallographic determination of porosity and uncombined carbon
WITHDRAWN published on 21.2.1983
Selected format:Hardmetals—Metallographic determination of porosity and uncombined carbon
WITHDRAWN published on 10.12.2015
Selected format:Round nails for general uses
WITHDRAWN published on 1.1.1988
Selected format:-
WITHDRAWN published on 1.1.1983
Selected format:Latest update: 2026-03-25 (Number of items: 2 269 413)
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