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Standards GB - Chinese national standards - Page 6319
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 19212.14-2007
WITHDRAWN
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Safety of power transformers, power supply units and similar devices—Part 14:Particular requirements for auto-transformers for general use
WITHDRAWN published on 30.4.2007
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GB/T 19212.16-2005
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Safety of power transformers, power supply units and similar devices—Part 16:Particular requirements for isolating transformers for the supply of medical locations
WITHDRAWN published on 9.10.2005
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GB/T 19212.17-2013
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Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V—Part 17:Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units
WITHDRAWN published on 17.12.2013
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GB 19212.18-2006
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Safety of power transformers, power supply units and similar—Part 18:Particular requirements for transformers for switch mode power supplies
WITHDRAWN published on 25.8.2006
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GB 19212.2-2006
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Safety of power transformers, power supply units and similar—Part 2:Particular requirements for separating transformers for general use
WITHDRAWN published on 25.8.2006
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GB 19212.21-2007
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Safety of power transformers, power supply units and similar devices—Part 21:Particular requirements for small reactors
WITHDRAWN published on 30.4.2007
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GB/T 19212.24-2005
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Safety of power transformers, power supply units and similar devices—Part 24:Particular requirements for transformers for construction sites
WITHDRAWN published on 9.10.2005
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GB 19212.3-2006
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Safety of power transformers, power supply units and similar—Part 3:Particular requirements for control transformers
WITHDRAWN published on 25.8.2006
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GB 19212.4-2005
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Safety of power transformers, power supply units and similar devices—Part 4:Particular requirements for ignition transformers for gas and oil burners
WITHDRAWN published on 9.10.2005
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GB 19212.5-2006
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Safety of power transformers, power supply units and similar—Part 5:Particular requirements for isolating transformers for general use
WITHDRAWN published on 25.8.2006
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