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Standards GB - Chinese national standards - Page 6005
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 14239-1993
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Specifications for basic frequenceis of carrier supply systems
WITHDRAWN published on 10.3.1993
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GB 1424-1978
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WITHDRAWN published on 1.1.1978
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GB/T 14240-1993
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Specification of SHF 12-channel carrier systems and equipments for open-wire pair
WITHDRAWN published on 10.3.1993
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GB/T 14242-1993
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64×64 Dot matrix Heiti font set and data set of Chinese ideograms for information interchange
WITHDRAWN published on 16.3.1993
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GB/T 14243-1993
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64×64 Dot matrix Kaiti font set and data set of Chinese ideograms for information interchange
WITHDRAWN published on 16.3.1993
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GB/T 14244-1993
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64×64 Dot matrix Fangsongti font set and data set of Chinese ideograms for information interchange
WITHDRAWN published on 16.3.1993
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GB/T 14245-1993
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64×64 Dot matrix Songti font set and data set of Chinese ideograms for information interchange
WITHDRAWN published on 16.3.1993
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GB/T 14247-1993
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Testing methods for rake
WITHDRAWN published on 22.3.1993
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GB/T 14248-1993
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Determination of braking performance for harvesting machinery
WITHDRAWN published on 22.3.1993
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GB/T 14249.2-1993
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General specification for electronic weighing instruments
WITHDRAWN published on 16.3.1993
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