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Standards GB - Chinese national standards - Page 343
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 13942.2-2009
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Durability of wood - Part 2: Method for field test of natural durability
Standard published on 23.2.2009
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GB/T 13943-1992
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General specification for vacuum fluorescent display tubes
Standard published on 17.12.1992
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GB/T 13945-1992
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General specification for glow discharge display tubes
Standard published on 17.12.1992
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GB/T 13951-2016
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General rule of environmental tests of electric and electronic products for mobile platforms and offshore installations
Standard published on 13.12.2016
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GB/T 13952-2016
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Parametric classification of environmental conditions of electric and electronic products for mobile platforms and offshore installations
Standard published on 13.12.2016
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GB 13954-2009
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Warning lamps for police cars,fire engines,ambulances and engineering rescue vehicles
Standard published on 15.11.2009
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GB/T 13955-2017
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Installation and operation of residual current operated protective devices
Standard published on 29.12.2017
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GB/T 13957-2022
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Technical requirements for the fundamental series of three-phase large asynchronous motor
Standard published on 30.12.2022
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GB/T 13958-2022
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Test methods for small power permanent magnet synchronous motors
Standard published on 30.12.2022
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GB/T 1396-2015
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Chemical reagent—Ammonium sulfate
Standard published on 3.7.2015
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