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Standards GB - Chinese national standards - Page 5586
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 12183-1990
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General specification of airborne transponders for air traffic control
WITHDRAWN published on 1.2.1990
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GB/T 12184-1990
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Information processing—Magnetic ink character recognition—Print specifications
WITHDRAWN published on 1.2.1990
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GB/T 12184-2007
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Information processing—Magnetic ink character recognition—Print specifications
WITHDRAWN published on 5.9.2007
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GB/T 12185-1990
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General specification for exciter used to MW AM broadcast transmitter
WITHDRAWN published on 1.2.1990
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GB 12186-1990
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The performance parameter and methods of measurement for medical X-ray image intensifier television system
WITHDRAWN published on 1.1.1990
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GB 12187-1990
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General specification for medical X-ray television equipment
WITHDRAWN published on 1.1.1990
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GB 12188-1990
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Measuring methods for medical x-ray television equipments
WITHDRAWN published on 1.1.1990
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GB/T 12189-1990
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General specification for television broadcasting exciter
WITHDRAWN published on 1.2.1990
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GB 1219-1985
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WITHDRAWN published on 1.1.1985
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GB/T 1219-2000
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Geometrical product specification—Dimensional measuring instruments:Dial gauges—Design and metrological requirements
WITHDRAWN published on 26.9.2000
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