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Standards GB - Chinese national standards - Page 5607
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 12341-1990
WITHDRAWN
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1:25000, 1:50000 and 1:100000 topographic maps—Specifications for aerophotogrammetric field work
WITHDRAWN published on 4.6.1990
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GB 12342-1990
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Specifications for cartographic symbols 1250001500001100000 topographic maps
WITHDRAWN published on 4.6.1990
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GB 12343-1990
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Compilation specifications for 125000150000 topographic maps
WITHDRAWN published on 4.6.1990
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GB 12344-1990
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Compilation specifications for 1100000 topographic maps
WITHDRAWN published on 4.6.1990
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GB 12346-1990
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Location of points
WITHDRAWN published on 7.6.1990
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GB/T 12346-2006
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Nomenclature and location of acupuncture points
WITHDRAWN published on 18.9.2006
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GB 12347-1990
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Steel wire ropes up to 9. 5mm in diameter--Bending fatigue testing
WITHDRAWN published on 1.1.1990
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GB/T 12347-1996
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Steel wire rope—Bending fatigue testing
WITHDRAWN published on 27.9.1996
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GB 12348-1990
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Standard of noise at boundary of industrial enterprises
WITHDRAWN published on 1.5.1990
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GB/T 12349-1990
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Method of measuring noise at boundary of industrial enterprises
WITHDRAWN published on 1.5.1990
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