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Standards GB - Chinese national standards - Page 7779
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 4375.5-1984
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Methods for chemical analysis of gallium--The N2O-C2H2 flame atomic absorption spectrophotometric method for the determination of calcium content
WITHDRAWN published on 30.4.1984
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GB/T 4375.6-1984
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Methods for chemical analysis of gallium--The salicylfluorone cetyltrimethyl ammonium bromide photometric method for the determination of tin content
WITHDRAWN published on 30.4.1984
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GB/T 4375.7-1984
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Methods for chemical analysis of gallium--The molybdenum blue photometric method for the determination of silicon content
WITHDRAWN published on 30.4.1984
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GB/T 4375.8-1984
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Methods for chemical analysis of gallium--The ethyl violet photometric method for the determination of indium content
WITHDRAWN published on 30.4.1984
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GB/T 4375.9-1984
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Methods for chemical analysis of gallium--The phenylfluorone-polyethylene glycol octyl phenyl ether photometric method for the determination of germanium content
WITHDRAWN published on 30.4.1984
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GB 4376-1984
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Families and products of voltage regulator for semiconductor integrated circuits
WITHDRAWN published on 1.1.1984
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GB 4377-1984
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General principles of measuring methods of voltage regulator for semiconductor integrated circuits
WITHDRAWN published on 1.1.1984
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GB/T 4377-1996
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Semiconductor integrated circuits General principles of measuring methods of voltage regulator
WITHDRAWN published on 9.7.1996
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GB/T 4378-1984
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The family and products of cm6800/cm6809 microprocessor components for semiconductor integrated circuits
WITHDRAWN published on 1.1.1984
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GB/T 4379-1984
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The family and products of cm8080/cm8085 microprocessor components for semiconductor integrated circuits
WITHDRAWN published on 1.1.1984
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