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Standards GB - Chinese national standards - Page 7508
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
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GB/T 24260-2009
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Petroleum seismic geophone
WITHDRAWN published on 10.7.2009
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GB/T 24261.2-2010
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Marine seismic digital streamer system—Part 2:Standards for specifying hydrophone streamer-cable characteristic
WITHDRAWN published on 2.9.2010
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GB 24265-2009
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Diatomite filter aids
WITHDRAWN published on 17.7.2009
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GB 24266-2009
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Secondary edge silicone sealants for structurally glazed insulating glass units
WITHDRAWN published on 17.7.2009
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GB 2427-1981
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Fine-wool sheep--Verification--Items, symbols and nomenclature
WITHDRAWN published on 1.1.1981
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GB/T 24274-2009
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Low-voltage withdrawable switchgear and controlgear assemblies
WITHDRAWN published on 19.6.2009
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GB/T 24275-2009
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Low-voltage fixed connection enclosed switchgear and controlgear assemblies
WITHDRAWN published on 19.6.2009
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GB/T 24276-2009
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A method of temperature-rise assessment by extrapolation for partially type-tested assemblies(PTTA)of low-voltage switchgear and controlgear
WITHDRAWN published on 19.6.2009
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GB/T 24276-2017
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A method of temperature-rise verification of low-voltage switchgear and controlgear assemblies by calculation
WITHDRAWN published on 1.11.2017
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GB/T 24277-2009
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A method for assessing the short-circuit withstand—Strength of partially type-tested assemblies (PTTA)
WITHDRAWN published on 19.6.2009
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