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Standards GB - Chinese national standards - Page 6517
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 17207-1998
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Fixed capacitors for use in electronic equipment—Part 18:Blank detail specification—Fixed aluminium electrolytic chip capacitors with solid (MnO2)electrolyte—Assessment level E
WITHDRAWN published on 19.1.1998
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GB/T 1721-1979
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Methods of test for appearance and transparency of varnishes,boiled oils and thinners
WITHDRAWN published on 15.9.1979
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GB/T 17210-1998
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Electromechanical switches for use in electronic equipment—Part 2:Sectional specification for rotary switches Section 1-Blank detail specification
WITHDRAWN published on 19.1.1998
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GB/T 17211-1998
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Loading guide for dry-type power transformers
WITHDRAWN published on 20.1.1998
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GB/T 17213.1-1998
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Industrial-process control valves—Part 1:Control valve terminology and general considerations
WITHDRAWN published on 21.1.1998
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GB/T 17213.10-2005
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Industrial-process control valves—Part 2-4:Flow capacity—Inherent flow characteristics and rangeability
WITHDRAWN published on 9.9.2005
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GB/T 17213.14-2005
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Industrial-process control valves—Part 8-2:Noise considerations—Laboratory of noise generated by hydrodynamic flow through control valves
WITHDRAWN published on 9.9.2005
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GB/T 17213.15-2005
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Industrial-process control valves—Part 8-3:Noise considerations—Control valves aerodynamic noise prediction method
WITHDRAWN published on 9.9.2005
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GB/T 17213.16-2005
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Industrial-process control valves—Part 8-4:Noise considerations—Prediction of noise generated by hydrodynamic flow
WITHDRAWN published on 9.9.2005
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GB/T 17213.2-2005
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Industrial-process control valves—Part 2-1:Flow capacity—Sizing equations for fluid flow under installed conditions
WITHDRAWN published on 9.9.2005
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