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Standards GB - Chinese national standards - Page 5841
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 13186-1991
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General specification for airborne doppler navigation systems
WITHDRAWN published on 21.9.1991
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GB/T 13187-1991
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Magnetic tape sound recording and reproducing systems—General conditions and requirements
WITHDRAWN published on 21.9.1991
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GB/T 13188-1991
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General specification for mechanical tuners of TV broadcasting receivers
WITHDRAWN published on 21.9.1991
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GB/T 13189-1991
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Geanral specification for the indirectly heated thermistors with negative temperature coefficient
WITHDRAWN published on 21.9.1991
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GB/T 13190-1991
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Guidelines for establishment and development of Chinese thesauri
WITHDRAWN published on 21.9.1991
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GB/T 13191-1991
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Statistical standard of information and documentation organization
WITHDRAWN published on 21.9.1991
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GB/T 13191-2009
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Information and documentation-library statistics
WITHDRAWN published on 13.3.2009
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GB/T 13193-1991
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Water quality--Determination of TOC by nondispersive infrared absorption method
WITHDRAWN published on 31.8.1991
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GB/T 13194-1991
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Water quality--Determination of nitrobenzene mononi-trotoluene (MNT) nitrochlorobenzene and oinitrotoluene (ONT)--Gas chromatography
WITHDRAWN published on 31.8.1991
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GB/T 13196-1991
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Water quality—Determination of sulphate—Flame atomic absorption spectrophotometric method
WITHDRAWN published on 31.8.1991
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