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Standards GB - Chinese national standards - Page 7795
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 4471-1984
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Precision of test methods for chemical products--Determination of repeatability and reproducibility by inter-laboratory tests
WITHDRAWN published on 1.1.1984
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GB/T 4472-1984
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General rule for determination of density and relative density for chemical products
WITHDRAWN published on 5.6.1984
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GB 4473-1984
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Synthetic test for AC high-voltage circuit-breakers
WITHDRAWN published on 1.1.1984
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GB/T 4473-1996
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Synthetic testing of high-voltage alternating current circuit-breakers
WITHDRAWN published on 17.6.1996
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GB/T 4473-2008
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Synthetic testing of High-voltage alternating current circuit-breakers
WITHDRAWN published on 18.6.2008
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GB/T 4474-1992
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Short-line fault tests for A.S. high-voltage circuit-breaker
WITHDRAWN published on 1.7.1992
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GB 4475-1984
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Terms of sensor
WITHDRAWN published on 1.1.1984
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GB/T 4476.1-1984
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Drawings for metal hull of ships—General provisions
WITHDRAWN published on 18.6.1984
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GB/T 4476.2-1984
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Drawings for metal hull of ships—Graphical symbols
WITHDRAWN published on 18.6.1984
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GB/T 4476.3-1984
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Drawings for metal hull of ships—Presentation and coding of drawings
WITHDRAWN published on 18.6.1984
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