Standards GB - Chinese national standards - Page 6652

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GB/T 18662-2002 WITHDRAWN

Industrial microwave heating installations—Test methods for the determination of power output

WITHDRAWN published on 28.2.2002

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GB/T 18663.1-2002 WITHDRAWN

Mechanical structures for electronic equipment—Tests for IEC 60917 and IEC 60297—Part 1:Climatic,mechanical tests and safety aspects for cabinets, racks, subracks and chassis

WITHDRAWN published on 28.2.2002

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GB/T 18663.2-2007 WITHDRAWN

Mechanical structures for electronic equipment—Tests for IEC 60917 and IEC 60297—Part 2:Seismic tests for cabinets and racks

WITHDRAWN published on 23.1.2007

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GB/T 18663.3-2007 WITHDRAWN

Mechanical structures for electronic equipment—Tests for IEC 60917 and IEC 60297—Part 3:Electromagnetic shielding performance tests for cabinets, racks and subracks

WITHDRAWN published on 3.12.2007

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