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GB - Chinese national standards - Page 5172

Standards GB - Chinese national standards - Page 5172

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 7247.2-2024 23.8.2024
GB/T 7247.2-2024

Safety of laser products—Part 2: Safety of optical fibre communication systems (OFCSs)

Standard published on 23.8.2024

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electronic design (pdf) (1240.80 USD)


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1 240.80 USD


in 7 working days
Preview GB/T 7247.3-2025 28.2.2025
GB/T 7247.3-2025

Safety of laser products—Part 3Guidance for laser displays and shows

Standard published on 28.2.2025

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electronic design (pdf) (808.80 USD)


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808.80 USD


in 5 working days
Preview GB/T 7247.4-2025 28.2.2025
GB/T 7247.4-2025

Safety of laser products—Part 4: Laser guards

Standard published on 28.2.2025

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electronic design (pdf) (1576.80 USD)


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1 576.80 USD


in 8 working days
Preview GB/T 7247.5-2024 23.8.2024
GB/T 7247.5-2024

Safety of laser products—Part 5:Manufacturer’s checklist for GB/T 7247.1

Standard published on 23.8.2024

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1 240.80 USD


in 7 working days
Preview GB/T 7247.8-2025 1.8.2025
GB/T 7247.8-2025

Safety of laser products—Part 8: Guidelines for the safe use of lasers on humans

Standard published on 1.8.2025

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electronic design (pdf) (1000.80 USD)


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1 000.80 USD


in 6 working days
Preview GB/T 7247.9-2016 29.8.2016
GB/T 7247.9-2016

Safety of laser products—Part 9: Compilation of maximum permissible exposure to incoherent optical radiation

Standard published on 29.8.2016

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electronic design (pdf) (868.80 USD)


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868.80 USD


in 3 working days
Preview GB/T 7249-2016 25.4.2016
GB/T 7249-2016

Maximum lamp outlines for incandescent lamps

Standard published on 25.4.2016

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electronic design (pdf) (2296.80 USD)


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2 296.80 USD


in 3 working days
Preview GB/T 725-2008 3.6.2008
GB/T 725-2008

Internal combustion engines - Nomenclature and code of designations

Standard published on 3.6.2008

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electronic design (pdf) (202.80 USD)


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202.80 USD


in 3 working days
Preview GB/T 7251.1-2023 6.8.2023
GB/T 7251.1-2023

Low-voltage switchgear and controlgear assemblies—Part 1: General rules

Standard published on 6.8.2023

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electronic design (pdf) (2256.00 USD)


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2 256.00 USD


IN STOCK
Preview GB/T 7251.10-2025 1.8.2025
GB/T 7251.10-2025

Low-voltage switchgear and controlgear assemblies—Part 10: Guidance to specifying assemblies

Standard published on 1.8.2025

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electronic design (pdf) (1384.80 USD)


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1 384.80 USD


in 8 working days

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