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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
2-Naphthol
WITHDRAWN published on 29.6.2012
Selected format:Tool life testing in end milling
WITHDRAWN published on 5.7.1996
Selected format:Tool-life testing with single-point turning tools
WITHDRAWN published on 5.7.1996
Selected format:Numerically controlled turning machines—Testing of the accuracy
WITHDRAWN published on 5.7.1996
Selected format:Test conditions for numerically controlled turning machines and turning centres—Part 1:Geometric test for machines with a horizontal workholding spindle
WITHDRAWN published on 17.7.2007
Selected format:Test conditions for numerically controlled turning machinesand turning centres—Part 2:Geometric tests for machineswith a vertical workholding spindle
WITHDRAWN published on 12.7.2017
Selected format:Fixed capacitors for use in electronic equipment Part 19:Blank detail specification Fixed metallized polyethylene-terephthalate film dielectric chip d.c. capacitors Assessment level E
WITHDRAWN published on 9.7.1996
Selected format:Sewing machine packing
WITHDRAWN published on 9.7.1996
Selected format:-
WITHDRAWN published on 1.1.1979
Selected format:Pallet package
WITHDRAWN published on 9.7.1996
Selected format:Latest update: 2025-09-17 (Number of items: 2 234 360)
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