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Standards GB - Chinese national standards - Page 4604

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 45982.1-2025

Micro joining of 2nd generation high temperature superconductors—Part 1:General requirements for the procedure

Standard published on 1.8.2025

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GB/T 45982.2-2025

Micro joining of 2nd generation high temperature superconductors—Part 2: Qualification for welding and testing personnel

Standard published on 1.8.2025

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GB/T 45982.3-2025

Micro joining of 2nd generation high temperature superconductors—Part 3: Test methods for joints

Standard published on 1.8.2025

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GB/T 45983.1-2025

Rare earths thermo-chemical treatment—Part 1: Carburizing and carbonitriding

Standard published on 1.8.2025

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GB/T 45984-2025

Ships and marine technology—Systems for the detection of persons while going overboard from ships (man overboard detection)

Standard published on 1.8.2025

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GB/T 45985-2025

Ships and marine technologyLife-saving appliances and arrangementsMeans of recovery of persons

Standard published on 1.8.2025

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436.80 USD

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GB/T 45986-2025

Terms for automatic identification system

Standard published on 1.8.2025

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GB/T 45987-2025

Information technology—Telecommunications and information exchange between systems—Local and metropolitan area networks—Specific requirements—Frame replication and elimination for reliability

Standard published on 1.8.2025

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GB/T 45988-2025

Digital transformation management—Requirements for capability system construction

Standard published on 1.8.2025

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