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Standards GB - Chinese national standards - Page 4474

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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GB/T 44918-2024

Management specification for water conservation of urban water supply institutions

Standard published on 28.11.2024

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GB/T 44919-2024

Micro-electromechanical systems(MEMS) technology—Bulge test method for measuring mechanical properties of thin films

Standard published on 28.11.2024

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GB/T 44920-2024

Spinning process of large-curved tank bottom—Technological specification

Standard published on 28.11.2024

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GB/T 44921-2024

Casting—Industrial computer radiographic testing

Standard published on 28.11.2024

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GB/T 44922-2024

Additive manufacturing—Qualification principles—Qualifying machine operators of laser metal powder bed fusion machines and equipment used in aerospace applications

Standard published on 28.11.2024

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GB/T 44923-2024

Adult three-dimensional head models

Standard published on 31.12.2024

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