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Standards GB - Chinese national standards - Page 8744
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 9036.7-1988
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Technical requirements and test methods for relays in manual toll telephone switching equipments
WITHDRAWN published on 1.1.1988
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GB 9036.8-1988
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Technical requirements and test methods for ringing, power sources, alarm and distribuing frame in manual toll telephone switching equipments
WITHDRAWN published on 1.1.1988
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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WITHDRAWN published on 13.4.1988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
WITHDRAWN published on 13.4.1988
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GB 9038-1988
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Test chart for newspaper page facsimile
WITHDRAWN published on 1.1.1988
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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WITHDRAWN published on 13.4.1988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 904-1965
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WITHDRAWN published on 1.1.1965
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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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GB 9041-1988
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General specifications of miniaturized electromechnical components used for narrow frame of telecommunication equipment
WITHDRAWN published on 1.1.1988
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