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Standards GB - Chinese national standards - Page 5351
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 10068-2008
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Mechanical vibration of certain machines with shaft heights 56 mm and higher—Measurement,evaluation and limits of vibration severity
WITHDRAWN published on 19.6.2008
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GB 10068.2-1988
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Measurement evaluation and limits of the vibration severity of rotating electrical machinery--Limits of the mechanical vibration severity
WITHDRAWN published on 1.1.1988
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GB/T 10069.1-1988
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Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Engineering method for the measurement of airborne noise
WITHDRAWN published on 10.12.1988
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GB/T 10069.2-1988
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Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Survey method for the measurement of airborne noise
WITHDRAWN published on 10.12.1988
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GB 10069.3-1988
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Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Noise limits
WITHDRAWN published on 10.12.1988
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GB 10069.3-2006
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Measurement of airborne noise emitted by rotating electrical machines and the noise limits—Part 3:Noise limits
WITHDRAWN published on 30.4.2006
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GB/T 10069.3-2008
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Measurement of airborne noise emitted by rotating electrical machines and the noise limits—Part 3:Noise limits
WITHDRAWN published on 19.6.2008
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GB/T 1007-1976
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Small hexagon medium thin nuts
WITHDRAWN published on 13.10.1976
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GB/T 10072-1988
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Specifications of electronic flash equipments for photograph
WITHDRAWN published on 1.1.1988
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GB/T 10072-2003
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Specifications of electronic flash equipments for photograph
WITHDRAWN published on 25.7.2003
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