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GB - Chinese national standards - Page 4424

Standards GB - Chinese national standards - Page 4424

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 44533.3-2024 29.9.2024
GB/T 44533.3-2024

Tools for pressing—Ball-lock punch retainers—Part 3: Type E, reduced for heavy duty

Standard published on 29.9.2024

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in 3 working days
Preview GB/T 44534-2024 29.9.2024
GB/T 44534-2024

Technical requirement for spherical node of space grid structures

Standard published on 29.9.2024

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1 198.80 USD


in 7 working days
Preview GB/T 44535-2024 29.9.2024
GB/T 44535-2024

Plastics—Determination of linear dimensions of test specimens

Standard published on 29.9.2024

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334.80 USD


in 3 working days
Preview GB/T 44536-2024 29.9.2024
GB/T 44536-2024

Test method for determining thermal expansion coefficient and residual stress of CVD ceramic coatings

Standard published on 29.9.2024

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334.80 USD


in 3 working days
Preview GB/T 44537-2024 29.9.2024
GB/T 44537-2024

Test method for fracture toughness of fine ceramics at room temperature—Surface crack in flexureSCFmethod

Standard published on 29.9.2024

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718.80 USD


in 5 working days
Preview GB/T 44538-2024 29.9.2024
GB/T 44538-2024

Carbon based films—Determination of optical properties of amorphous carbon films by spectfoscopic ellipsometry

Standard published on 29.9.2024

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250.80 USD


in 3 working days
Preview GB/T 44539-2024 29.9.2024
GB/T 44539-2024

Technical specification for fluorspar

Standard published on 29.9.2024

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346.80 USD


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Preview GB/T 44540-2024 29.9.2024
GB/T 44540-2024

Fine ceramics—Test method for determining elastic modulus and bending strength of ceramic tube and rings—Split ring method

Standard published on 29.9.2024

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Preview GB/T 44541-2024 29.9.2024
GB/T 44541-2024

Fine ceramics—Ceramic matrix composites—Notations and symbols

Standard published on 29.9.2024

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328.80 USD


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Preview GB/T 44542-2024 29.9.2024
GB/T 44542-2024

Determination of ash and impurities content in carbon fiber and its precursor

Standard published on 29.9.2024

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348.00 USD


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