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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 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WITHDRAWN published on 25.6.1988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WITHDRAWN published on 25.6.1988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WITHDRAWN published on 28.6.1988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WITHDRAWN published on 28.6.1988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WITHDRAWN published on 22.12.1995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:Electromechanical switches for use in electrical and electronic equipment - Part 1: Generic specification
WITHDRAWN published on 5.11.2012
Selected format:General specification of flat cable connector
WITHDRAWN published on 28.6.1988
Selected format:Wideband modem for synchronous data transmission at a data signalling rate higher than 72 kbit/s using 60108kHz group band circuits
WITHDRAWN published on 30.6.1988
Selected format:Cotton spinning machinery—Working width
WITHDRAWN published on 4.7.1988
Selected format:Fixed resistors for use in electronic equipment—Part 8:Sectional specification:Fixed chip resistors
WITHDRAWN published on 24.7.1995
Selected format:Latest update: 2025-02-05 (Number of items: 2 224 044)
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