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Standards GB - Chinese national standards - Page 6924
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 21714.1-2008
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Protection against lightning—Part 1:General principles
WITHDRAWN published on 24.4.2008
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GB/T 21714.2-2008
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Protection against lightning—Part 2:Risk management
WITHDRAWN published on 24.4.2008
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GB/T 21714.3-2008
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Protection against lightning—Part 3:Physical damage to structures and life hazard
WITHDRAWN published on 24.4.2008
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GB/T 21714.4-2008
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Protection against lightning—Part 4:Electrical and electronic systems within structures
WITHDRAWN published on 24.4.2008
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GB/T 21717-2008
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Technical specification about the type parameter and performance of small hydraulic turbines
WITHDRAWN published on 4.5.2008
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GB/T 21718-2008
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Fundamental technical requirements for small hydraulic turbines
WITHDRAWN published on 4.5.2008
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GB/T 21718-2008E
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Fundamental technical requirementsfor small hydraulic turbines
WITHDRAWN published on 4.5.2008
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GB/T 2172-1991
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The parts and units of jigs and fixtures - Groove face clamp plate
WITHDRAWN published on 1.1.1991
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GB/T 21720-2008
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Administrant & technical practice for markets of agricultural products
WITHDRAWN published on 4.5.2008
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GB/T 21723-2008
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Wheat/rice-straw particleboard
WITHDRAWN published on 4.5.2008
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