GB - Chinese national standards - Page 6620

Standards GB - Chinese national standards - Page 6620

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GB/T 17948.3-2006 WITHDRAWN

Functional evaluation of insulation systems for rotating electrical machines—Test procedures for form-wound windings—Thermal evaluation and classification of insulation systems used in machines up to and including 50 MVA and 15kV

WITHDRAWN published on 15.2.2006

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718.80 USD


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GB/T 17948.4-2006 WITHDRAWN

Functional evaluation of insulation systems for rotating electrical machines—Test procedures for form-wound windings—Electrical evaluation of insulation systems used in machines up to and including 50MVA and 15kV

WITHDRAWN published on 14.3.2006

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526.80 USD


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GB/T 17948.4-2016 WITHDRAWN

Rotating electrical machines—Functional evaluation of insulation systems—Test procedures for form-wound windings—Evaluation by electrical endurance

WITHDRAWN published on 24.2.2016

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352.80 USD


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GB/T 17948.5-2007 WITHDRAWN

Rotating electrical machines—Functional evaluation of insulation systems—Test procedures for form-wound windings—Multifactor functional evaluation—Endurance under combined thermal and electrical stresses of insulation systems used in machines up to and including 50MVA and 15kV

WITHDRAWN published on 3.12.2007

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718.80 USD


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GB/T 17948.6-2007 WITHDRAWN

Rotating electrical machine—Functional evaluation of insulation systems—Test procedures for form-wound windings—Evaluation of thermomechanical endurance of insulation systems

WITHDRAWN published on 3.12.2007

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574.80 USD


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GB/T 17948.7-2016 WITHDRAWN

Rotating electrical machines—Functional evaluation of insulation systems—General guidelines

WITHDRAWN published on 24.2.2016

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352.80 USD


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GB 1795-1996 WITHDRAWN

Tyre valve core

WITHDRAWN published on 2.12.1996

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382.80 USD


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GB/T 17950-2000 WITHDRAWN

Semiconductor converter--Part 6:Application guide for the protection of semiconductor converters against overcurrent by fuses

WITHDRAWN published on 3.1.2000

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688.80 USD


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GB/T 17951-2000 WITHDRAWN

Standard specifications for magnetically hard materials

WITHDRAWN published on 3.1.2000

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910.80 USD


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GB/T 17951-2005 WITHDRAWN

Standard specification for magnetically hard materials

WITHDRAWN published on 19.9.2005

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1 102.80 USD


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Entries shown from 66190 to 66200 out of a total of 90914 entries.


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