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Standards GB - Chinese national standards - Page 4650

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 4716-2024

Point type heat fire detectors

Standard published on 28.11.2024

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GB/T 47160-2026

Crane and metallurgical motors and canned motors—Safety requirements
Execute Date: september 2026

Standard published on 27.2.2026

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GB/T 47161-2026

Railway applications—Rolling stock—Electrical safety for trolley bus
Execute Date: september 2026

Standard published on 27.2.2026

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GB/T 47162-2026

General technical requirements for cleanroom door
Execute Date: september 2026

Standard published on 27.2.2026

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GB/T 47163-2026

Basic environmental testing procedures for fireworks—Free fall and damp heat cyclic testing method

Standard published on 27.2.2026

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GB/T 47164-2026

Determination of aluminum,magnesium,potassium and barium content in pyrotechnics used for fireworks and firecrackers—Inductively coupled plasma optical emission spectrometric method(ICP-OES)

Standard published on 27.2.2026

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GB/T 47165-2026

Lignins—Determination of lignin content in kraft lignin, soda lignin and hydrolysis lignin
Execute Date: september 2026

Standard published on 27.2.2026

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