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Standards GB - Chinese national standards - Page 6176
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 15121.2-1994
WITHDRAWN
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Information processing systems—Computer graphics—Metafile for storage and transfer of picture description information—Part 2:Character encoding
WITHDRAWN published on 16.7.1994
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GB/T 15122-1994
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Information processing systems—Designation of unrecorded flexible disk cartridges
WITHDRAWN published on 16.7.1994
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GB/T 15122-2008
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Information technology - Designation of unrecorded flexible disk cartridges
WITHDRAWN published on 18.6.2008
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GB/T 15123-1994
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Information processing—Data communication—DTE/DCE interface back-up control operation using the 25-pole connector
WITHDRAWN published on 16.7.1994
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GB/T 15126-1994
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Information processing systems—Data communications—Network service definition
WITHDRAWN published on 16.7.1994
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GB/T 15127-1994
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Information processing systems—Data communication—Twisted pair multipoint interconnections
WITHDRAWN published on 16.7.1994
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GB/T 15128-1994
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Information processing systems—Open Systems Interconnection—Basic connection oriented session service definition
WITHDRAWN published on 16.7.1994
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GB/T 15129-1994
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Information processing systems—Open systems Interconnection—Service conventions
WITHDRAWN published on 16.7.1994
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GB/T 1513-1979
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Method for determination of calcium oxide and magnesium oxide contents in manganese ores--Atomic absorption spectrophotometric method
WITHDRAWN published on 28.2.1979
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GB/T 15131.2-1995
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Information processing--Data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad on 80 tracks on each side--Part 2:Track format A for 77 tracks
WITHDRAWN published on 6.4.1995
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