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GB - Chinese national standards - Page 4529

Standards GB - Chinese national standards - Page 4529

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 45325-2025 28.2.2025
GB/T 45325-2025

Determination of length of heat affected zone for precious metal bonding wire—Scanning electron microscope method

Standard published on 28.2.2025

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Preview GB/T 45326-2025 28.2.2025
GB/T 45326-2025

Extra coarse grain cemented carbide tips for engineering

Standard published on 28.2.2025

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Preview GB/T 45327-2025 28.2.2025
GB/T 45327-2025

Lithium-rich lithium iron oxide

Standard published on 28.2.2025

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330.00 USD


IN STOCK
Preview GB/T 45328-2025 28.2.2025
GB/T 45328-2025

Determination of magnetic foreign metal particles in lithium carbonate, lithium hydroxide monohydrate and lithium chloride—Cleanliness meter test method

Standard published on 28.2.2025

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IN STOCK
Preview GB/T 45329-2025 28.2.2025
GB/T 45329-2025

Precious metals and their alloys wrought for ignition electrodes

Standard published on 28.2.2025

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in 4 working days
Preview GB/T 45330-2025 28.2.2025
GB/T 45330-2025

Cathode materials for lithium ion batteries—Determination of water content—Carl fisher coulomb method

Standard published on 28.2.2025

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258.00 USD


IN STOCK
Preview GB/T 45331-2025 28.2.2025
GB/T 45331-2025

ePTFE membrane for reinforcement of proton exchange membrane

Standard published on 28.2.2025

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334.80 USD


in 3 working days
Preview GB/T 45332-2025 28.2.2025
GB/T 45332-2025

Proton exchange membrane for hydrogen production via water electrolysis

Standard published on 28.2.2025

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526.80 USD


in 4 working days
Preview GB/T 45333-2025 28.2.2025
GB/T 45333-2025

Diamond-like carbon films—Determination of friction and wear characteristics of diamond-like carbon films by ball-on-disc method

Standard published on 28.2.2025

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Preview GB/T 45334-2025 28.2.2025
GB/T 45334-2025

Smart elderly-oriented technical specification for air conditioners

Standard published on 28.2.2025

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Latest update: 2026-11-14 (Number of items: 2 210 114)
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