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Standards GB - Chinese national standards - Page 8535
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 6616-1986
WITHDRAWN
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Standard method for measuring resistivity of silicon slices by noncontacting technique
WITHDRAWN published on 1.1.1986
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GB/T 6616-1995
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Test method for measuring resistivity of semiconductor silicon or sheet resistance of semiconductor films with a noncontact eddy-current gage
WITHDRAWN published on 18.4.1995
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GB/T 6616-2009
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Test methods for measuring resistivity of semiconductor wafers or sheet resistance of semiconductor films with a noncontact eddy-current gauge
WITHDRAWN published on 30.10.2009
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GB 6617-1986
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Standard method for measuring resistivity of silicon wafers using spreading resistance probe
WITHDRAWN published on 1.1.1986
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GB/T 6617-1995
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Test method for measuring resistivity of silicon wafers using spreading resistance probe
WITHDRAWN published on 18.4.1995
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GB 6618-1986
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Standard method for measuring thickness and total thickness variation of silicon slices
WITHDRAWN published on 1.1.1986
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GB/T 6618-1995
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Test method for thickness and total thickness variation of silicon slices
WITHDRAWN published on 18.4.1995
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GB 6619-1986
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Standard method for measuring bow of silicon slices
WITHDRAWN published on 1.1.1986
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GB/T 6619-1995
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Test methods for bow of silicon slices
WITHDRAWN published on 18.4.1995
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GB 662-1978
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WITHDRAWN published on 1.1.1978
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