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GB - Chinese national standards - Page 4539

Standards GB - Chinese national standards - Page 4539

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 45410.7-2026 30.4.2026
GB/T 45410.7-2026

Optics and photonics—Test methods for telescopic systems—Part 7:Limit of resolution

Standard published on 30.4.2026

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Preview GB/T 45411.1-2025 28.3.2025
GB/T 45411.1-2025

Optics and photonics—Specifications for telescopic sights—Part 1:General-purpose instruments

Standard published on 28.3.2025

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334.80 USD


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Preview GB/T 45411.2-2025 28.3.2025
GB/T 45411.2-2025

Optics and photonics—Specifications for telescopic sights—Part 2:High-performance instruments

Standard published on 28.3.2025

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334.80 USD


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Preview GB/T 45412.1-2025 28.3.2025
GB/T 45412.1-2025

Optics and photonics—Specifications for binoculars, monoculars and spotting scopes—Part 1: General purpose instruments

Standard published on 28.3.2025

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Preview GB/T 45412.2-2025 28.3.2025
GB/T 45412.2-2025

Optics and photonics—Specifications for binoculars, monoculars and spotting scopes—Part 2: High performance instruments

Standard published on 28.3.2025

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238.80 USD


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Preview GB/T 45413-2025 25.4.2025
GB/T 45413-2025

General technical requirements of water hammer monitoring system for water supply system

Standard published on 25.4.2025

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Preview GB/T 45414-2025 28.3.2025
GB/T 45414-2025

Tsao-ko

Standard published on 28.3.2025

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Preview GB/T 45415-2025 28.2.2025
GB/T 45415-2025

Defect analysis methods for battery electric vehicles fire accidents

Standard published on 28.2.2025

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456.00 USD


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Preview GB/T 45416-2025 28.2.2025
GB/T 45416-2025

Collision vehicle investigation and safety defect analysis guide

Standard published on 28.2.2025

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456.00 USD


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Preview GB/T 45417-2025 28.2.2025
GB/T 45417-2025

Guidelines for defect analysis of vehicle regenerative braking function

Standard published on 28.2.2025

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Latest update: 2026-11-13 (Number of items: 2 209 336)
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