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Standards GB - Chinese national standards - Page 6339
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 15638-1995
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Specification for optical densitometric measurements of printed maps
WITHDRAWN published on 24.7.1995
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GB/T 15639-1995
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Programme source used in subjective assessment for television broadcast receivers
WITHDRAWN published on 24.7.1995
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GB/T 1564-1979
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Taper keys for general use--Types and dimensions
WITHDRAWN published on 23.6.1979
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GB/T 15640-1995
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General specification for mixing consoles
WITHDRAWN published on 24.7.1995
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GB/T 15641-1995
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General specification for near infrared television cameras
WITHDRAWN published on 24.7.1995
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GB/T 15642-1995
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General specification of video head drum assembly for U-matic video cassette recorder
WITHDRAWN published on 24.7.1995
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GB/T 15644-1995
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Application of connectors for the interconnection of equipment in audio-visual systems
WITHDRAWN published on 24.7.1995
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GB/T 1565-1979
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Gib-head taper keys--Types and dimensions
WITHDRAWN published on 23.6.1979
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GB/T 15650-1995
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Series and products for semiconductor integrated circuits—Products of series for CMOS gate array
WITHDRAWN published on 24.7.1995
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GB/T 15655-1995
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Sectional specification for super-twisted nematic liquid crystal display devices
WITHDRAWN published on 24.7.1995
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