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Standards GB - Chinese national standards - Page 7548
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 4058-1995
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Test method for detection of oxidation induced defects in polished silicon wafers
WITHDRAWN published on 18.4.1995
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GB/T 4059-1983
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Polycrystalline silicon—Examination method—Zone-melting on phosphorus under controlled atmosphere
WITHDRAWN published on 20.12.1983
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GB/T 4059-2007
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Polycrystalline silicon—Examination method—Zone-melting on phosphorus under controlled atmosphere
WITHDRAWN published on 11.9.2007
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GB 406-1978
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WITHDRAWN published on 1.1.1978
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GB/T 406-1993
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Cotton grey fabric
WITHDRAWN published on 25.12.1993
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GB/T 406-2008
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Cotton grey fabric
WITHDRAWN published on 23.5.2008
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GB/T 4060-1983
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Polycrystalline silicon—Examination method—Vacuum zone-melting on boron
WITHDRAWN published on 20.12.1983
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GB/T 4060-2007
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Polycrystalline silicon—Examination method—Vacuum zone-melting on boron
WITHDRAWN published on 11.9.2007
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GB/T 4061-1983
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Polycrystalline silicon—Examination method—Assessment of sandwiches on cross-section by chemical corrosion
WITHDRAWN published on 20.12.1983
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GB 4062-1983
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Antimony trioxide
WITHDRAWN published on 1.1.1983
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