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Standards GB - Chinese national standards - Page 1092

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 19148.3-2026

Types and dimensions of lampholders—Part 3Prefocus lampholders
Execute Date: november 2026

Standard published on 30.7.2026

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electronic design (pdf) (ON REQUEST)

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GB/T 19148.4-2008

Types and dimensions of lampholders - Part 4: Miscellaneous lampholders

Standard published on 30.12.2008

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1 138.80 USD

in 7 working days

GB/T 19148.4-2026

Types and dimensions of lampholders—Part 4Miscellaneous lampholders
Execute Date: november 2026

Standard published on 30.7.2026

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electronic design (pdf) (1630.80 USD)

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1 630.80 USD

in 9 working days

GB/T 19148.5-2008

Types and dimensions of lampholders - Part 5: Bayonet lampholders

Standard published on 29.4.2008

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electronic design (pdf) (802.80 USD)

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802.80 USD

in 5 working days

GB/T 19148.5-2026

Types and dimensions of lampholders—Part 5Bayonet lampholders
Execute Date: november 2026

Standard published on 30.7.2026

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electronic design (pdf) (982.80 USD)

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982.80 USD

in 6 working days

GB/T 19149-2003

Transformers for tubular discharge lamps having a no-load output voltage exceeding 1000V(generally called neon-transformers)--General and safety requirements

Standard published on 26.5.2003

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GB/T 19150-2013

Parts library terms

Standard published on 31.12.2013

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