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Standards GB - Chinese national standards - Page 4598
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 45891-2025
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Fertilizers and soil conditioners—Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials
Standard published on 30.6.2025
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GB/T 45892.1-2025
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Smart water saving management system for water users—Part 1: Guidelines
Standard published on 30.6.2025
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GB/T 45893-2025
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Calcium phosphate silicate for oral care products
Standard published on 30.6.2025
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GB/T 45894-2025
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Safety requirements for meat processing machinery
Standard published on 30.6.2025
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GB/T 45895-2025
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Anaesthetic and respiratory equipment—Dimensions of non-interchangeable screw-threaded NIST low-pressure connectors for medical gases
Standard published on 1.8.2025
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GB/T 45896-2025
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Quality requirements for product of geographical indication—Fuping dried persimmon
Standard published on 30.6.2025
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GB/T 45897.1-2025
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Pressure regulators for use with medical gases—Part 1: Pressure regulators and pressure regulators with flow-metering devices
Standard published on 1.8.2025
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GB/T 45897.2-2025
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Pressure regulators for use with medical gases—Part 2: Manifold and line pressure regulators
Standard published on 1.8.2025
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GB/T 45897.3-2025
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Pressure regulators for use with medical gases—Part 3: Pressure regulators integrated with cylinder valvesVIPRs
Standard published on 1.8.2025
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GB/T 45897.4-2025
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Pressure regulators for use with medical gases—Part 4Low-pressure regulators
Standard published on 1.8.2025
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