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GB - Chinese national standards - Page 4422

Standards GB - Chinese national standards - Page 4422

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 44517-2024 29.9.2024
GB/T 44517-2024

Micro-electromechanical systems (MEMS) technology—Wafer curvature and cantilever beam deflection test methods for determining residual stresses of MEMS films

Standard published on 29.9.2024

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in 3 working days
Preview GB/T 44518-2024 29.9.2024
GB/T 44518-2024

Welding procedure qualification test for underwater hyperbaric dry welding

Standard published on 29.9.2024

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346.80 USD


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Preview GB/T 44519-2024 29.9.2024
GB/T 44519-2024

Industrial valves—Gearbox for valves

Standard published on 29.9.2024

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electronic design (pdf) (538.80 USD)


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538.80 USD


in 4 working days
Preview GB 4452-2011 30.12.2011
GB 4452-2011

Outdoor fire hydrant

Standard published on 30.12.2011

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electronic design (pdf) (502.80 USD)


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502.80 USD


in 3 working days
Preview GB 4452-2026 28.1.2026
GB 4452-2026

Outdoor fire hydrant
Execute Date: february 2027

Standard published on 28.1.2026

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electronic design (pdf) (526.80 USD)


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526.80 USD


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Preview GB/T 44520-2024 29.9.2024
GB/T 44520-2024

Forging dies—Quick change die sets with X-rail guide

Standard published on 29.9.2024

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electronic design (pdf) (348.00 USD)


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348.00 USD


IN STOCK
Preview GB/T 44521-2024 29.9.2024
GB/T 44521-2024

Scraper conveyors—Safety specifications

Standard published on 29.9.2024

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electronic design (pdf) (240.00 USD)


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240.00 USD


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Preview GB/T 44522-2024 29.9.2024
GB/T 44522-2024

Printing machinery—Technical specification for centralized ink supply system

Standard published on 29.9.2024

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electronic design (pdf) (334.80 USD)


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334.80 USD


in 3 working days
Preview GB/T 44523-2024 29.9.2024
GB/T 44523-2024

Continuous mechanical handling equipment—General principles for safety signs and hazard pictorials

Standard published on 29.9.2024

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588.00 USD


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Preview GB/T 44524-2024 29.9.2024
GB/T 44524-2024

Additive manufacturing—Porosity of metal parts—Industrial computed tomography (CT testing method

Standard published on 29.9.2024

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electronic design (pdf) (526.80 USD)


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in 4 working days

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Latest update: 2026-09-04 (Number of items: 2 300 131)
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