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Standards GB - Chinese national standards - Page 5821
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 13064-1991
WITHDRAWN
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Series and products for semiconductor integrated circuits-Products for use in copying machine
WITHDRAWN published on 6.7.1991
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GB/T 13066-1991
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Blank detail specification for unijunction transistors
WITHDRAWN published on 6.7.1991
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GB/T 13067-1991
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Series and products for semiconductor integrated circuits—Products for use in quartz electronic clock and watch
WITHDRAWN published on 6.7.1991
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GB/T 13068-1991
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Series and products for semiconductor integrated circuits—Products for use in transducer sensitive to magnetic
WITHDRAWN published on 6.7.1991
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GB/T 13069-1991
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Series and products for semiconductor integrated circuits—Products for use in numerical control machine tool
WITHDRAWN published on 6.7.1991
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GB/T 13070-1991
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Determination of uranium content in uranium ores by method of potentiometric titration
WITHDRAWN published on 15.7.1991
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GB/T 13071-1991
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Method of determing the radioactive ratios of 234U/238U, 230Th/232Th in geological water samples
WITHDRAWN published on 15.7.1991
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GB/T 13072-1991
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Method for measuring the activity ratios of 226Ra to 228Ra in geological water samples
WITHDRAWN published on 15.7.1991
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GB/T 13073-1991
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Method for measuring radium-226 in rock samples—Emanation technique
WITHDRAWN published on 15.7.1991
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GB/T 13074-1991
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Terms of blood purification—Hemodialysis and hemofiltration
WITHDRAWN published on 17.7.1991
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