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GB - Chinese national standards - Page 5918

Standards GB - Chinese national standards - Page 5918

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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Preview GB/T 13611-2006 12.9.2006
GB/T 13611-2006 WITHDRAWN

Classification and essential property of city gas

WITHDRAWN published on 12.9.2006

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in 3 working days
Preview GB 13612-1992 15.8.1992
GB 13612-1992 WITHDRAWN

Manufactured gas

WITHDRAWN published on 15.8.1992

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248.80 USD


in 2 working days
Preview GB 13613-1992 19.8.1992
GB 13613-1992 WITHDRAWN

Electromegnetic environment requirements for sea long and middle range radionavigation stations and monitors

WITHDRAWN published on 19.8.1992

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398.80 USD


in 3 working days
Preview GB 13614-1992 19.8.1992
GB 13614-1992 WITHDRAWN

Requirements of the electromagnetic environment for short-wave radio direction finding stations

WITHDRAWN published on 19.8.1992

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498.80 USD


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Preview GB 13615-1992 19.8.1992
GB 13615-1992 WITHDRAWN

Electromagnetic environment protection requirements for earth stations

WITHDRAWN published on 19.8.1992

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548.80 USD


in 4 working days
Preview GB/T 13615-2009 5.5.2009
GB/T 13615-2009 WITHDRAWN

Electromagnetic environment protection requirements for earth stations

WITHDRAWN published on 5.5.2009

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Preview GB 13616-1992 19.8.1992
GB 13616-1992 WITHDRAWN

Electromagnetic environment protection requirements for microwave relay stations

WITHDRAWN published on 19.8.1992

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electronic design (pdf) (498.80 USD)


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498.80 USD


in 3 working days
Preview GB/T 13616-2009 5.5.2009
GB/T 13616-2009 WITHDRAWN

Electromagnetic environment protection requirements for digital radio-relay stations

WITHDRAWN published on 5.5.2009

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Preview GB 13617-1992 19.8.1992
GB 13617-1992 WITHDRAWN

Electromagnetic environment requirements for shortwave radio receiving stations

WITHDRAWN published on 19.8.1992

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in 3 working days
Preview GB/T 13619-1992 19.8.1992
GB/T 13619-1992 WITHDRAWN

Interference calculation methods for radio-relay systems

WITHDRAWN published on 19.8.1992

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