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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
Environmental testing for electric and electronic products—Part 2:Test methods-Test XA and guidance:Immersion in cleaning solvents
WITHDRAWN published on 2.8.1999
Selected format:Basic environmental testing procedures for electric and electronic products--Test:inclinations and motions
WITHDRAWN published on 9.5.1985
Selected format:Basic environmental testing procedures for electric and electronic products--Solderability testing by the wetting balance method
WITHDRAWN published on 9.5.1985
Selected format:Basic environmental testing procedures for electric and electronic products—Test Kca: High consistence sulphur dioxide test
WITHDRAWN published on 22.3.1989
Selected format:Environmental testing for electric and electronic products—Part 2:Test method—Test Kca:High concentration sulfur dioxide
WITHDRAWN published on 3.3.2005
Selected format:Basic environmental testing procedures for electric and electronic products--Test Z/AD:Composite temperature/humidity cyclic test
WITHDRAWN published on 31.7.1986
Selected format:Environmental testing for electric and electronic products—Part 2:Test methods—Test Z/AD:Composite temperature/ humidity cyclic test
WITHDRAWN published on 26.8.2005
Selected format:Basic environmental testing procedures for electric and electronic products--Test Z/AFc:Combined low temperature/vibation (sinusoidal) tests for both heat-dissipating and non-heat-dissipating specimens
WITHDRAWN published on 31.7.1986
Selected format:Environmental testing for electric and electronic products—Part 2:Test Methods—Test Z/AFc:Combined cold/vibration (sinusoidal) tests for both heat-dissipating and non-heat-dissipating specimens
WITHDRAWN published on 26.8.2005
Selected format:Basic environmental testing procedures for electric and electronic products--Test Z/BFc:Combined high temperature/vibration (sinusoidal) tests for both heat-dissipating and non-heat-dissipating specimens
WITHDRAWN published on 31.7.1986
Selected format:Latest update: 2024-05-05 (Number of items: 2 897 047)
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