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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
Test method for dyeing uniformity of polyester filament yarns
WITHDRAWN published on 23.5.2001
Selected format:Method for determination of low molecular weight compounds content in polyamide 6
WITHDRAWN published on 18.6.1986
Selected format:Method for determination on of low molecular weight compounds content in chip and fibles of polycaproamide
WITHDRAWN published on 19.10.2005
Selected format:Chemical reagent—Potassium iodate
WITHDRAWN published on 1.3.1993
Selected format:Cabled distribution systems primarily intended for sound and television signals operating between 30MHz and 1GHz
WITHDRAWN published on 1.1.1986
Selected format:Precision method for free-field calibration of 23.77mm standard condenser microphones by the reciprocity technique
WITHDRAWN published on 18.6.1986
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Code for modes of transport
WITHDRAWN published on 18.5.1998
Selected format:Character set for bibliographic information interchange on mathematical coding of characters
WITHDRAWN published on 19.6.1986
Selected format:Safety code for painting—Safety ventilation and air clean-up for painting process
WITHDRAWN published on 25.12.1995
Selected format:Latest update: 2026-11-04 (Number of items: 2 209 068)
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