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Standards GB - Chinese national standards - Page 6237
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 1552-1995
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Test method for measuring resistivity of monocrystal silicon and germanium with a collinear four-probe array
WITHDRAWN published on 18.4.1995
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GB/T 15520-1995
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Test method for steam tightness of asbestos-rubber sheets
WITHDRAWN published on 4.4.1995
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GB/T 15521-1995
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Format and classification of digital audio tape cassette system (DAT) used for broadcasting
WITHDRAWN published on 6.4.1995
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GB/T 15522-1995
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FM audio recording of helical-scan video tape cassette system using 12.65mm magnetic tape on type VHS
WITHDRAWN published on 6.4.1995
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GB/T 15523-1995
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General specification for radio frequency modulators of video tape recorders
WITHDRAWN published on 6.4.1995
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GB/T 15527-1995
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General specification for marine GPS receiver
WITHDRAWN published on 6.4.1995
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GB/T 15528-1995
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Methods of measurement for transmitter-receiver assembly set
WITHDRAWN published on 6.4.1995
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GB 1553-1979
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WITHDRAWN published on 1.1.1979
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GB/T 1553-1997
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Standard test methods for minority carrier lifetime in bulk germanium and silicon by measurement of photoconductivity decay
WITHDRAWN published on 3.6.1997
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GB/T 1553-2009
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Test methods for minority carrier lifetime in bulk germanium and silicon by measurement of photoconductivity decay
WITHDRAWN published on 30.10.2009
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