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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
Identification cards—Test methods—Part 2: Cards with magnetic stripes
Standard published on 15.5.2015
Selected format:Identification cards - Test methods Part 3: Integrated circuit(s) cards with contacts and related interface devices
Standard published on 14.3.2006
Selected format:Identification cards - Test methods - Part 7: Vicinity cards
Standard published on 1.12.2010
Selected format:Information technology--Computer graphics and image processing--Conformance testing of implementations of graphics standards
Standard published on 5.11.1998
Selected format:Camera flash illuminants--Determination of spectral distribution index(ISO/SDI)
Standard published on 9.11.1998
Selected format:Information technology--Telecommunications and information exchangebetween systems--26-Pole interface connector matchability dimensions andcontact number assignments
Standard published on 10.11.1998
Selected format:Interpretation of statistical data--Estimation of a median
Standard published on 10.11.1998
Selected format:Instruments for the measurement of sound intensity--Measurement with pairs of pressure sensing microphones
Standard published on 10.11.1998
Selected format:Rectangular connectors for frequencies below 3 MHz--Part 1: Generic specification--General requirements and guide for the preparation of detail specifications for connectors with assessed quality
Standard published on 17.11.1998
Selected format:Rectangular connectors for frequencies below 3MHz--Part 8:Detail specification for connectorsfour-signal contacts and earthing contacts for cable screen
Standard published on 4.12.2002
Selected format:Latest update: 2026-09-03 (Number of items: 2 300 115)
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