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Standards GB - Chinese national standards - Page 8745
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 9042-1988
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Specification for type EY501 power travelling wave tube
WITHDRAWN published on 1.1.1988
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GB 9043-1988
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General technical requirements of gas discharge tubes for the over-voltage protection of telecommunications installations
WITHDRAWN published on 1.1.1988
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GB/T 9043-1999
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General technical requirements of gas discharge tubes for the over-voltage protection of telecommunications installations
WITHDRAWN published on 2.8.1999
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GB 9044.1-1988
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WITHDRAWN published on 1.1.1988
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GB 9044.2-1988
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WITHDRAWN published on 1.1.1988
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GB/T 9045-1988
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Determination of resolving power for photographic materials
WITHDRAWN published on 13.4.1988
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GB 9046-1988
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Labelling of containers for motion picture film and magnetic materials--Minimum information for exchange of materials
WITHDRAWN published on 1.1.1988
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GB/T 9046-1988
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Labelling of containers for motion picture film and magnetic materials--Minimum information for exchange of materials
WITHDRAWN published on 13.4.1988
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GB/T 9047-1988
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Six-track magnetic sound records on 70mm motion-picture release prints--Locations and dimensions
WITHDRAWN published on 13.4.1988
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GB/T 9048-1988
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Image area produced by 65mm and 70mm motion-picture camera aperture and maximum projectable image on 70mm motion-picture prints--Positions and dimensions
WITHDRAWN published on 13.4.1988
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