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Standards GB - Chinese national standards - Page 1042

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 18898.1-2021

Erbium doped fiber amplifier—Part 1C band erbium doped fiber amplifier

Standard published on 11.10.2021

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694.80 USD

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GB/T 18898.2-2025

Erbium-doped fiber-amplifier—Part 2: L-band erbium-doped fiber-amplifier

Standard published on 5.10.2025

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GB/T 18899-2023

All dielectric self-supporting optical fibre cable

Standard published on 23.5.2023

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814.80 USD

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GB/Z 189-2026

Space environment—Reference and standard atmosphere models

Standard published on 2.7.2026

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electronic design (pdf) (ON REQUEST)

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GB/T 18901.1-2025

Fibre optic sensors—Part 1Generic specification

Standard published on 31.10.2025

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GB/T 18902-2002

Performance requirements and test methods for UHF measuring distance equipment(MDE)

Standard published on 4.12.2002

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970.80 USD

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GB/T 18903-2002

Information technology--Quality of service:Framework

Standard published on 4.12.2002

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GB/T 18904.1-2002

Semiconductor devices--Part 12-1:Optoelectronic devices--Blank detail specification for light emitting/infrared emitting diodes with/without pigtail for fiber optic systems or sub-systems

Standard published on 4.12.2002

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GB/T 18904.2-2002

Semiconductor devices--Part 12-2:Optoelectronic devices--Blank detail specification for laser diodes modules with pigtail for fiber optic systems or sub-systems

Standard published on 4.12.2002

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GB/T 18904.3-2002

Semiconductor devices--Part 12-3:Optoelectronic devices--Blank detail specification for light-emitting diodes--Display application

Standard published on 6.12.1990

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