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Standards GB - Chinese national standards - Page 7098

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GB/T 22711-2008 WITHDRAWN

Specification for high efficiency three-phase permanent magnet synchronous motor(frame size 132280)

WITHDRAWN published on 30.12.2008

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GB/T 22712-2008 WITHDRAWN

Specification for G series cooling fans applying to variable frequency motors

WITHDRAWN published on 30.12.2008

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GB/T 22715-2008 WITHDRAWN

Impulse voltage withstand levels of form-wound stator coils for rotating a.c.machines

WITHDRAWN published on 30.12.2008

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GB/T 2272-1987 WITHDRAWN

Ferrosilicon

WITHDRAWN published on 22.8.1987

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GB/T 2272-2009 WITHDRAWN

Ferrosilicon

WITHDRAWN published on 8.7.2009

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GB/T 22720.1-2008 WITHDRAWN

Rotating electrical machines—Qualification and type tests for type electrical insulation systems used in rotating electrical machines fed from voltage converters

WITHDRAWN published on 30.12.2008

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GB/Z 22720.2-2013 WITHDRAWN

Rotating electrical machines—Qualification and acceptance tests for partial discharge resistant electrical insulation systems(Type )used in rotating electrical machines fed from voltage converters

WITHDRAWN published on 17.12.2013

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