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Standards GB - Chinese national standards - Page 7540
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 4006.3-1983
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Delivery containers for round winding wires--Types and dimensions
WITHDRAWN published on 1.1.1983
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GB 4006.4-1983
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Delivery spools for winding wires--Technical requirements
WITHDRAWN published on 1.1.1983
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GB 4006.5-1983
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Delivery spools for winding wires--Testing methods
WITHDRAWN published on 1.1.1983
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GB/T 40064-2021
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Assessment guidelines for energy saving technology
WITHDRAWN published on 30.4.2021
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GB 4007-1983
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Blast furnace ferromanganese
WITHDRAWN published on 1.1.1983
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GB 4008-1987
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Ferromaganese-silicon
WITHDRAWN published on 1.1.1987
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GB/T 4008-1996
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Ferromanganese-silicon
WITHDRAWN published on 27.9.1996
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GB/T 4009-1989
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Chromium silicon
WITHDRAWN published on 11.11.1989
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GB 4010-1983
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Ferroalloys--Sampling for chemical analysis
WITHDRAWN published on 1.1.1983
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GB/T 4010-1994
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Ferroalloys—Sampling and preparation of samples for chemical analysis
WITHDRAWN published on 13.6.1994
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