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GB - Chinese national standards - Page 4593

Standards GB - Chinese national standards - Page 4593

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 45901-2025 30.6.2025
GB/T 45901-2025

Ships and marine technology—Full-scale test method for propeller cavitation observation and hull pressure measurement

Standard published on 30.6.2025

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Preview GB/T 45902-2025 30.6.2025
GB/T 45902-2025

General technical requirements for energy-saving control system for ventilation and air conditioning system in urban rail transit stations

Standard published on 30.6.2025

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Preview GB/T 45903.1-2025 30.6.2025
GB/T 45903.1-2025

Ships and marine technology—Pilot ladders—Part 1Design and specification

Standard published on 30.6.2025

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Preview GB/T 45903.2-2025 1.8.2025
GB/T 45903.2-2025

Ships and marine technology—Pilot ladders—Part 2: Maintenance, use, survey, and inspection

Standard published on 1.8.2025

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Preview GB/T 45903.3-2025 1.8.2025
GB/T 45903.3-2025

Ships and marine technology—Pilot ladders—Part 3Attachments and associated equipment

Standard published on 1.8.2025

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Preview GB/T 45905.1-2025 1.8.2025
GB/T 45905.1-2025

Electricity spot market operation—Part 1Terminology

Standard published on 1.8.2025

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Preview GB/T 45905.10-2025 1.8.2025
GB/T 45905.10-2025

Electricity spot market operation—Part 10: The evaluation of operation

Standard published on 1.8.2025

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Preview GB/T 45905.2-2025 1.8.2025
GB/T 45905.2-2025

Electricity spot market operation—Part 2: Provincial technical support system

Standard published on 1.8.2025

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Preview GB/T 45905.3-2025 1.8.2025
GB/T 45905.3-2025

Electricity spot market operation—Part 3: Inter provincial technical support system

Standard published on 1.8.2025

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Preview GB/T 45905.4-2025 1.8.2025
GB/T 45905.4-2025

Electricity spot market operation—Part 4: Load forecasting

Standard published on 1.8.2025

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