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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 amount of gas evolved from getter
WITHDRAWN published on 25.6.1988
Selected format:Test method for nitrogen-released and gas-absorbed dynamic curve of nitrogen-doped getter
WITHDRAWN published on 25.6.1988
Selected format:Test method for barium film distribution ofnitrogen-doped getter
WITHDRAWN published on 25.6.1988
Selected format:Test method for gettering properties ofbarium flash getter
WITHDRAWN published on 25.6.1988
Selected format:Test method for gettering properties ofnon-evaporable getter
WITHDRAWN published on 25.6.1988
Selected format:Test method for amount of filling getter
WITHDRAWN published on 25.6.1988
Selected format:Designations for LiNbO3 LiTaO3 Bi12GeO20Bi12SiO20 piezoelectric crystals
WITHDRAWN published on 28.6.1988
Selected format:Test method for thedetermination of the dielectric properties of solid dielectric materials atmicrowave frequencies--The method of coaxial terminal short circuit
WITHDRAWN published on 28.6.1988
Selected format:Electromechanical switches for use in electronic equipment—Part 1:Generic specification
WITHDRAWN published on 22.12.1995
Selected format:General specification of flat cable connector
WITHDRAWN published on 28.6.1988
Selected format:Latest update: 2024-09-05 (Number of items: 2 346 132)
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