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Standards GB - Chinese national standards - Page 8650
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 7767-1994
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Standard terminology relating to carbon black
WITHDRAWN published on 1.1.1994
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GB/T 7767-2003
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Standard terminology relating to carbon black
WITHDRAWN published on 11.10.2003
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GB 7768-1987
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Glossaries of textile, dyeing, finishing auxiliaries
WITHDRAWN published on 1.1.1987
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GB 7769-1987
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Principle of nomenclature of textile, dyeing and finishing auxiliaries
WITHDRAWN published on 1.1.1987
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GB/T 777-1985
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Analogue pneumatic signal for industrial process measurement and control instruments
WITHDRAWN published on 3.4.1985
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GB 7770-1987
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Classification of textile, dyeing and finishing auxiliaries
WITHDRAWN published on 1.1.1987
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GB/T 7771-1987
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Measurement of special metamerism index change in illuminant
WITHDRAWN published on 25.5.1987
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GB 7772-1987
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Method of measurement for noise emitted by positive-displacement vacuum pumps
WITHDRAWN published on 1.1.1987
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GB 7773-1987
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Method of measurement for mechanical vibration of positive-displacement vacuum pumps
WITHDRAWN published on 1.1.1987
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GB/T 7774-1987
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Methods of measurement of the performance characteristics of turbo-molecular pumps
WITHDRAWN published on 23.5.1987
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