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Standards GB - Chinese national standards - Page 931
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 1838-2008
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Test methods of tin coating mass for electrolytic tinplate
Standard published on 19.8.2008
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GB/T 1838-2008E
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Test method of tin coating mass for electrolytic tinplate
Standard published on 19.8.2008
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GB/T 18380.11-2022
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Tests on electric and optical fibre cables under fire conditions—Part 11:Test for vertical flame propagation for a single insulated wire or cable—Apparatus
Standard published on 9.3.2022
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GB/T 18380.12-2022
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Tests on electric and optical fibre cables under fire conditions—Part 12:Test for vertical flame propagation for a single insulated wire or cable—Procedure for 1 kW pre-mixed flame
Standard published on 9.3.2022
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GB/T 18380.13-2022
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Tests on electric and optical fibre cables under fire conditions—Part 13:Test for vertical flame propagation for a single insulated wire or cable—Procedure for determination of flaming droplets/particles
Standard published on 9.3.2022
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GB/T 18380.21-2008
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Tests on electric and optical fibre cables under fire conditions - Part 21:Test for vertical flame propagation for a single small insulated wire or cable - Apparatus
Standard published on 26.6.2008
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GB/T 18380.22-2008
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Tests on electric and optical fibre cables under fire conditions - Part 22:Test for vertical flame propagation for a single small insulated wire or cable - Procedure for diffusion flame
Standard published on 26.6.2008
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GB/T 18380.31-2022
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Tests on electric and optical fibre cables under fire conditions—Part 31: Test for vertical flame spread of vertically-mounted bunched wires or cables—Apparatus
Standard published on 9.3.2022
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GB/T 18380.32-2022
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Tests on electric and optical fibre cables under fire conditions—Part 32Test for vertical flame spread of vertically-mounted bunched wires or cables—Category A F/R
Standard published on 15.4.2022
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GB/T 18380.33-2022
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Tests on electric and optical fibre cables under fire conditions—Part 33Test for vertical flame spread of vertically-mounted bunched wires or cables—Category A
Standard published on 15.4.2022
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