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Standards GB - Chinese national standards - Page 8681
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 7599-1987
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Determination of acid number in transformer and turbine oils in service by BTB method
WITHDRAWN published on 26.3.1987
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GBJ 76-1984
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Acoustics-measurement of sound reverberation time in halls-specifications
WITHDRAWN published on 1.1.1984
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GB/T 7600-1987
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Determination of water content in transformer oils in service by coulometric method
WITHDRAWN published on 26.3.1987
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GB/T 7601-1987
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Determination of water content in transformer oils in service by gas chromatographic method
WITHDRAWN published on 26.3.1987
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GB/T 7602-1987
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Determination of T501 oxidation inhibitor content in transformer and turbine oils in service by spectrophotometric method
WITHDRAWN published on 26.3.1987
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GB/T 7603-1987
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Determination of the aromatic carbon content in mineral insulating oils by infrared spectrum method
WITHDRAWN published on 26.3.1987
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GB/T 7604-1987
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Determination of the aromatic hydrocarbon content in mineral insulating oils
WITHDRAWN published on 26.3.1987
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GB/T 7605-1987
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Determination of clemulsibility characteristics of turbine oils in service
WITHDRAWN published on 26.3.1987
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GB/T 7605-2008
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Determination of clemulsibility characteristics of turbine oils in service
WITHDRAWN published on 24.9.2008
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GB 7606-1987
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Oil-changing criterion for machine oil in use
WITHDRAWN published on 1.1.1987
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