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GB - Chinese national standards - Page 309

Standards GB - Chinese national standards - Page 309

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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Publication year
Preview GB/T 13609-2017 29.12.2017
GB/T 13609-2017

Natural gas sampling guidelines

Standard published on 29.12.2017

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electronic design (pdf) (958.80 USD)


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958.80 USD


in 7 working days
Preview GB/T 13609-2025 31.10.2025
GB/T 13609-2025

Natural gas—Gas sampling
Execute Date: may 2026

Standard published on 31.10.2025

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electronic design (pdf) (1486.80 USD)


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1 486.80 USD


in 8 working days
Preview GB/T 1361-2024 25.4.2024
GB/T 1361-2024

General rules and regulations for analysis of iron ores

Standard published on 25.4.2024

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electronic design (pdf) (238.80 USD)


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238.80 USD


in 3 working days
Preview GB/T 13610-2020 29.9.2020
GB/T 13610-2020

Analysis of natural gas composition—Gas chromatography

Standard published on 29.9.2020

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electronic design (pdf) (586.80 USD)


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586.80 USD


in 5 working days
Preview GB/T 13611-2018 15.3.2018
GB/T 13611-2018

Classification and basic characteristics of city gas

Standard published on 15.3.2018

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electronic design (pdf) (222.00 USD)


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222.00 USD


IN STOCK
Preview GB/T 13612-2006 12.9.2006
GB/T 13612-2006

Manufactured gas

Standard published on 12.9.2006

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electronic design (pdf) (166.80 USD)


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166.80 USD


in 2 working days
Preview GB 13613-2011 16.6.2011
GB 13613-2011

Electromagnetic environment requirement for sea long range radio navigation stations and monitors

Standard published on 16.6.2011

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electronic design (pdf) (310.80 USD)


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310.80 USD


in 3 working days
Preview GB 13614-2012 29.6.2012
GB 13614-2012

Electromagnetic environment requirements for-Short-wave radio receiving and direction finding stations

Standard published on 29.6.2012

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electronic design (pdf) (358.80 USD)


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358.80 USD


in 3 working days
Preview GB/T 13615-2009 5.5.2009
GB/T 13615-2009

Electromagnetic environment protection requirements for earth stations

Standard published on 5.5.2009

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electronic design (pdf) (ON REQUEST)


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ON REQUEST


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Preview GB/T 13616-2009 5.5.2009
GB/T 13616-2009

Electromagnetic environment protection requirements for digital radio-relay stations

Standard published on 5.5.2009

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electronic design (pdf) (ON REQUEST)


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ON REQUEST


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