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Standards GB - Chinese national standards - Page 7346
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 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WITHDRAWN published on 13.4.1988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WITHDRAWN published on 13.4.1988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WITHDRAWN published on 13.4.1988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WITHDRAWN published on 13.4.1988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WITHDRAWN published on 13.4.1988
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GB/T 9037.1-1988
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Photographic facsimile apparatus--Specifications
WITHDRAWN published on 13.4.1988
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GB/T 9037.2-1988
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Photographic facsimile apparatus--Measuring methods
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GB/T 9039-1988
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Technical condition for transmissionmeasuring set 10 kHz to 18.6 MHz
WITHDRAWN published on 13.4.1988
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GB/T 904-1994
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Railway bridge span series
WITHDRAWN published on 19.7.1994
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GB/T 9040-1988
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General specifications for 4GHz 960 telephone channel/colour TV analog radio relay communication equipments
WITHDRAWN published on 13.4.1988
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