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GB - Chinese national standards - Page 4348

Standards GB - Chinese national standards - Page 4348

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 43887-2024 25.4.2024
GB/T 43887-2024

Nuclear related flexible graphite sheets

Standard published on 25.4.2024

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Preview GB/T 43888-2024 25.4.2024
GB/T 43888-2024

Method for ultrasonic testing of rails

Standard published on 25.4.2024

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516.00 USD


IN STOCK
Preview GB/T 43889-2024 25.4.2024
GB/T 43889-2024

Microbeam analysis—Electron probe microanalyser (EPMA)—Guidelines for performing quality assurance procedures

Standard published on 25.4.2024

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712.80 USD


in 5 working days
Preview GB/T 4389-2013 12.11.2013
GB/T 4389-2013

Double-headed open-ended wrenches,double-headed box wrenches and combination wrenches - Maximum widths of heads

Standard published on 12.11.2013

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in 3 working days
Preview GB/Z 43890-2024 24.7.2024
GB/Z 43890-2024

Nanotechnologies—Guidelines for performance test method of silver nanomaterials

Standard published on 24.7.2024

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502.80 USD


in 4 working days
Preview GB/T 43891-2024 25.4.2024
GB/T 43891-2024

Non-metallic chemical equipment—Test method for heat transfer coefficient and flow resistance performance of impervious graphite heat exchanger

Standard published on 25.4.2024

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Preview GB/T 43892-2024 25.4.2024
GB/T 43892-2024

Test method for spectral transmittance of quartz glass

Standard published on 25.4.2024

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in 3 working days
Preview GB/T 43893-2024 25.4.2024
GB/T 43893-2024

Hot-rolled steel sections for fabricated steel structure

Standard published on 25.4.2024

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in 4 working days
Preview GB/T 43894.1-2024 25.4.2024
GB/T 43894.1-2024

Practice for determining semiconductor wafer near-edge geometry—Part 1:Measured height data array using a curvature metricZDD

Standard published on 25.4.2024

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Preview GB/T 43894.2-2026 28.1.2026
GB/T 43894.2-2026

Practice for determining semiconductor wafer near-edge geometry—Part 2: Roll-off amountROA

Standard published on 28.1.2026

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358.80 USD


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