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Standards GB - Chinese national standards - Page 7571
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 7785-1987
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Classification and vocabulary for reciprocating pump
WITHDRAWN published on 23.5.1987
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GB 7786-1987
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Limits of sound power level for noise emitted by air compressors (for power source use) and diaphragmcompressors
WITHDRAWN published on 23.5.1987
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GB/T 7787-1987
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Reciprocating piston air compressors--Basic parameters
WITHDRAWN published on 23.5.1987
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GB/T 7788-1987
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General specification for anodic shield coating of ship and ocean engineering
WITHDRAWN published on 25.5.1987
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GB/T 7789-1987
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Dynamic test method for performance of marine antifouling coatings
WITHDRAWN published on 25.5.1987
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GB/T 779-1989
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Optimeter
WITHDRAWN published on 31.3.1989
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GB/T 7790-1996
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Test method for the resistance of cathodic disbondment of anticorrosive paint
WITHDRAWN published on 25.1.1996
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GB/T 7791-1987
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Test method for performance of reduces frictional resistance of self-polishing antifouling coatings—Method of round dish rotor moments
WITHDRAWN published on 25.5.1987
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GB 7792-1987
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Hygienic standard of chairs and desks for school
WITHDRAWN published on 12.5.1987
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GB 7793-1987
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Hygienic standard of lighting and illumination in elementary and middle school
WITHDRAWN published on 12.5.1987
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