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GB - Chinese national standards - Page 4699

Standards GB - Chinese national standards - Page 4699

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 46770-2025 31.10.2025
GB 46770-2025

Safety specification for explosion isolation of combustible dust
Execute Date: november 2026

Standard published on 31.10.2025

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334.80 USD


in 3 working days
Preview GB 46771-2025 31.10.2025
GB 46771-2025

Limitation requirements of harmful elements in graphite and fluorite
Execute Date: november 2026

Standard published on 31.10.2025

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166.80 USD


in 3 working days
Preview GB 46772-2025 31.10.2025
GB 46772-2025

Safety requirements of packaging machinery
Execute Date: november 2026

Standard published on 31.10.2025

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electronic design (pdf) (406.80 USD)


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406.80 USD


in 4 working days
Preview GB/T 46773-2025 2.12.2025
GB/T 46773-2025

Determination of the thermal conductivity of ultra-thin ceramic substrates—Flash method

Standard published on 2.12.2025

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electronic design (pdf) (310.80 USD)


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310.80 USD


in 3 working days
Preview GB/T 46774-2025 2.12.2025
GB/T 46774-2025

Metallic materials—Test method of dynamic fracture toughness at high strain rates

Standard published on 2.12.2025

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886.80 USD


in 6 working days
Preview GB/T 46775-2025 2.12.2025
GB/T 46775-2025

Petroleum and natural industries—Pipeline transportation systems—Test procedures for thread connectors

Standard published on 2.12.2025

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electronic design (pdf) (1510.80 USD)


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1 510.80 USD


in 8 working days
Preview GB/T 46776-2025 2.12.2025
GB/T 46776-2025

Specification for offshore conductor design, setting depth and installation

Standard published on 2.12.2025

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832.80 USD


in 5 working days
Preview GB/T 46777-2025 2.12.2025
GB/T 46777-2025

Metallic materials—Pin-type bearing test method

Standard published on 2.12.2025

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454.80 USD


in 4 working days
Preview GB/T 46778-2025 2.12.2025
GB/T 46778-2025

Fine ceramics—Determination of compressive strength of ceramic granules

Standard published on 2.12.2025

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358.80 USD


in 3 working days
Preview GB/T 46779-2025 2.12.2025
GB/T 46779-2025

Fine ceramics—Testing method for macro-heterogeneity in microstructure

Standard published on 2.12.2025

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454.80 USD


in 4 working days

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Latest update: 2026-08-26 (Number of items: 2 298 418)
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