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Standards GB - Chinese national standards - Page 665

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 16664-1996

Monitoring and testing method for energy saving of power supply distribution system of industrial enterprise

Standard published on 19.12.1996

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GB/T 16665-2025

Monitoring and testing for energy saving of air compressor unit and air distribution system

Standard published on 31.10.2025

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GB/T 16666-2012

Monitoring and testing for energy saving of motor-pump liquid transport system

Standard published on 31.12.2012

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670.80 USD

in 5 working days

GB/T 16667-1996

Monitoring and testing method for energy saving of electrical welding installation

Standard published on 19.12.1996

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250.80 USD

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GB 16668-2025

General technical specifications for powder extinguishing system and components

Standard published on 1.8.2025

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1 582.80 USD

in 9 working days

GB 16669-2010

General technical specifications for components of carbon dioxide fire extinguishing systems

Standard published on 26.9.2010

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1 666.80 USD

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GB 16669-2026

General technical specifications for carbon dioxide fire extinguishing systems and components
Execute Date: february 2027

Standard published on 28.1.2026

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1 606.80 USD

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GB 16670-2025

Cabinet gas fire extinguishing equipment

Standard published on 30.6.2025

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GB/T 16671-2018

Geometrical product specifications (GPS)—Geometrical tolerancing—Maximum material requirement (MMR), least material requirement (LMR) and reciprocity requirement (RPR)

Standard published on 17.9.2018

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electronic design (pdf) (814.80 USD)

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GB/T 16672-1996

Welds--Working positions--Definitionsof angles of slope and rotation

Standard published on 18.12.1996

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