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Standards GB - Chinese national standards - Page 5917
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 13469-1992
WITHDRAWN
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Economical operation for industrial centrifugal, mixed flow, axial flow and vortex pump systems
WITHDRAWN published on 4.6.1992
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GB/T 13469-2008
WITHDRAWN
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Economical operation for centrifugal,mixed flow,axial flow and vortex pump systems
WITHDRAWN published on 27.5.2008
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GB/T 1347-1988
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Chemical analysis of soda-lime-silica glass
WITHDRAWN published on 30.6.1988
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GB/T 13470-1992
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Economical operation of the fan system
WITHDRAWN published on 4.6.1992
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GB/T 13471-1992
WITHDRAWN
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Methods for calculating and evaluating the economic benefits of electricity saving measures
WITHDRAWN published on 4.6.1992
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GB 13472-1992
WITHDRAWN
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Safety requirements of BMX children bicycles
WITHDRAWN published on 2.6.1992
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GB/T 13473-1992
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Steel hammers—General technical requirements
WITHDRAWN published on 2.6.1992
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GB/T 13475-1992
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Building element—Determination of steady-state thermal transmission properties—Calibrated and guarded hot box
WITHDRAWN published on 4.6.1992
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GB 13476-1999
WITHDRAWN
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Pretensioned spun concrete piles
WITHDRAWN published on 30.7.1999
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GB/T 13476-2009
WITHDRAWN
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Pretensioned spun concrete piles
WITHDRAWN published on 28.3.2009
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