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Standards GB - Chinese national standards - Page 5540
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 11334-1989
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Cone tolerance
WITHDRAWN published on 21.4.1989
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GB/T 11335-1989
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Limit deviations of angle without tolerance indication
WITHDRAWN published on 1.1.1989
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GB/T 11336-1989
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Measurement of departures from straightness
WITHDRAWN published on 21.4.1989
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GB/T 11337-1989
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Measurement of departures from flatness
WITHDRAWN published on 21.4.1989
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GB 11339-1989
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Standard of environmental noise for harbours and the river side area
WITHDRAWN published on 1.1.1989
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GB/T 1134-1984
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Machine reamers with edge inclination Morse taper shanks
WITHDRAWN published on 6.12.1973
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GB/T 1134-2004
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Machine reamers with edge inclination with Morse taper shanks
WITHDRAWN published on 10.2.2004
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GB 11340-1989
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Motor vehicles--Crankcase emissions--Measurement methods and limit
WITHDRAWN published on 1.1.1989
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GB 11341-1989
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Safety rules for overhead chain conveyers
WITHDRAWN published on 23.6.1989
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GB 11342-1989
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Standard for examination of the safety techniques for operators of motor vehicles in mines and factories
WITHDRAWN published on 23.6.1989
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