Standards GB - Chinese national standards - Page 245

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 12975-2021

General specification for synchronous generator in ships

Standard published on 9.3.2021

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GB/T 12976.1-2008

Paper-insulated power cables and their accessories with rated voltages up to and including 35kV - Part 1: General and construction requirements for power cables with rated voltages up to and including 30kV

Standard published on 30.6.2008

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GB/T 12976.2-2008

Paper-insulated power cables and their accessories with rated voltages up to and including 35kV - Part 2: General and construction requirements for power cables with rated voltages 35kV

Standard published on 30.6.2008

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electronic design (pdf) (502.80 USD)

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GB/T 12976.3-2008

Paper-insulated power cables and their accessories with rated voltages up to and including 35kV - Part 3: Test on cables and their accessories

Standard published on 30.6.2008

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