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Standards GB - Chinese national standards - Page 8077
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 4702.2-2008
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Chromium metal - Determination of silicon content - The perchloric acid gravimetric method
WITHDRAWN published on 13.5.2008
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GB/T 4702.3-1984
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Methods for chemical analysis of chromium metal. The molybdenum blue photometric method for the determination of phosphorus content
WITHDRAWN published on 4.10.1984
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GB/T 4702.4-1984
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Methods for chemical analysis of chromium metal--The EDTA volumetric method for the determination of iron content
WITHDRAWN published on 4.10.1984
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GB/T 4702.5-1984
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Methods for chemical analysis of chromium metal--The atomic absorption spectrophotometric method for the determination of aluminium content
WITHDRAWN published on 4.10.1984
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GB/T 4702.6-1984
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Methods for chemical analysis of chromium metal--The EDTA volumetric method for the determination of aluminium content
WITHDRAWN published on 4.10.1984
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GB/T 4702.7-1984
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Methods for chemical analysis of chromium metal--The atomic absorption spectrophotometric method for the determination of iron content
WITHDRAWN published on 4.10.1984
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GB/T 4703-1984
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Capacitor voltage transformers
WITHDRAWN published on 1.1.1984
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GB/T 4703-2001
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Capacitor voltage transformers
WITHDRAWN published on 2.11.2001
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GB/T 4703-2007
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Capacitor voltage transformers
WITHDRAWN published on 3.12.2007
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GB/T 4704-1992
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Pulse capacitors and direct current capacitors
WITHDRAWN published on 1.1.1992
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