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Standards GB - Chinese national standards - Page 8797
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 9028.1-1988
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performance requirements for meteorogical facsimile (analogue)
WITHDRAWN published on 1.1.1988
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GB 9028.2-1988
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Measuring methods for meteorological facsimile (analogue)
WITHDRAWN published on 1.1.1988
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GB/T 9029-1988
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Method of measurement of speed fluctuations in sound recording and reproducing equipment
WITHDRAWN published on 2.3.1988
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GB/T 903-1987
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Colourless optical glass
WITHDRAWN published on 25.5.1987
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GB/T 9030-1988
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Performance requirements for shipborne radio direction finder
WITHDRAWN published on 13.4.1988
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GB/T 9031-1988
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Requirements for the interconnection and matching of household sound system equipment
WITHDRAWN published on 13.4.1988
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GB/T 9032-1988
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Performance requirements of pushbutton telephone with pulse
WITHDRAWN published on 13.4.1988
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GB/T 9033-1988
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Performance requirements of pushbutton dialer with pulse
WITHDRAWN published on 13.4.1988
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GB/T 9034-1988
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Performance requirements of pushbutton telephone with DTMF
WITHDRAWN published on 13.4.1988
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GB/T 9035-1988
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Performance requirements of pushbutton dialer with DTMF
WITHDRAWN published on 13.4.1988
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