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GB - Chinese national standards - Page 164

Standards GB - Chinese national standards - Page 164

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 12060.9-2011 30.12.2011
GB/T 12060.9-2011

Sound system equipment - Part 9: Methods of measurement for artificial reverberation, time delay and frequency shift equipment

Standard published on 30.12.2011

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411.30 USD


in 3 working days
Preview GB 12073-1989 29.12.1989
GB 12073-1989

Security and sanitary standard for dairy equipment

Standard published on 29.12.1989

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electronic design (pdf) (348.80 USD)


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348.80 USD


in 3 working days
Preview GB/T 12078-2012 5.11.2012
GB/T 12078-2012

General specification for X-ray tubes

Standard published on 5.11.2012

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498.80 USD


in 3 working days
Preview GB/T 12079-2012 5.11.2012
GB/T 12079-2012

Measurements of the photoelectric properties for X-ray tubes

Standard published on 5.11.2012

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electronic design (pdf) (698.80 USD)


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698.80 USD


in 5 working days
Preview GB/T 12082-1989 29.12.1989
GB/T 12082-1989

Letter symbols for gas lasers

Standard published on 29.12.1989

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1 011.30 USD


in 4 working days
Preview GB/T 12083-2012 5.11.2012
GB/T 12083-2012

Power supply series for gas laser

Standard published on 5.11.2012

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186.30 USD


in 2 working days
Preview GB/T 12085.1-2022 12.10.2022
GB/T 12085.1-2022

Optics and photonics—Environmental test methods—Part1: Definitions, extent of testing

Standard published on 12.10.2022

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336.30 USD


in 3 working days
Preview GB/T 12085.11-2022 12.10.2022
GB/T 12085.11-2022

Optics and photonics—Environmental test methods—Part 11:Mould growth

Standard published on 12.10.2022

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Preview GB/T 12085.12-2022 12.10.2022
GB/T 12085.12-2022

Optics and photonics—Environmental test methods—Part 12: Contamination

Standard published on 12.10.2022

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Preview GB/T 12085.14-2022 12.10.2022
GB/T 12085.14-2022

Optical and photonics—Environmental test methods—Part 14:Dewhoarfrostice

Standard published on 12.10.2022

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