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Standards GB - Chinese national standards - Page 6365
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 17189-2007
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Code for field measurement of vibrations and pulsation in hydraulic machines(turbines,storage pumps and pump-turbines)
WITHDRAWN published on 3.12.2007
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GB/T 1719-1979
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Determination of dyestuff fluidity
WITHDRAWN published on 15.9.1979
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GB/T 17196-1997
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Connecting devices—Flat quick-connect terminations for electrical copper conductors—Safety requirements
WITHDRAWN published on 26.12.1997
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GB/T 17197-1997
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Belt drives—Grooved pulleys for joined classical V-belts (effective system)
WITHDRAWN published on 30.12.1997
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GB/T 17198-1997
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Verification of Vickers hardness testers (less than HV 0. 2)
WITHDRAWN published on 1.1.1997
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GB/T 17199-1997
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Calibration of Vickers hardness reference blocks (less than HV 0. 2)
WITHDRAWN published on 1.1.1997
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GBN 172-1982
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WITHDRAWN published on 1.1.1982
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GB/T 17200-1997
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Requirements for tensile,flexural and compression testing machines for rubbers and plastics
WITHDRAWN published on 30.12.1997
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GB 17201-1997
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Combined transformers
WITHDRAWN published on 30.12.1997
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GB 17201-2007
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Combined instrument transformers
WITHDRAWN published on 2.7.2007
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