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Standards GB - Chinese national standards - Page 7259
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 25389.1-2010
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Wind turbine low-speed permanent magnet synchronous generator—Part 1:Technical conditions
WITHDRAWN published on 10.11.2010
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GB/T 25389.2-2010
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Wind turbine low-speed permanent magnet synchronous generator—Part 2:Testing methods
WITHDRAWN published on 10.11.2010
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GB/T 2539-1981
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Parafins--Determination of melting point (cooling curve)
WITHDRAWN published on 25.3.1981
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GB/T 2539-2008
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Petroleum waxes—Determination of melting point—Cooling curve method
WITHDRAWN published on 12.5.2008
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GB/T 25390-2010
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Spheroidal graphite cast iron for wind turbine
WITHDRAWN published on 10.11.2010
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GB/T 25392-2010
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Agricultural engineering—Electrical and electronic equipment—Testing resistance to environmental conditions
WITHDRAWN published on 10.11.2010
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GB/T 25396-2010
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Agricultural machinery - Rotary and flail mower - Thrown-object test and acceptance criteria
WITHDRAWN published on 10.11.2010
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GB/T 25398-2010
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Agricultural trailers and trailed equipment—Braking cylinders—Specifications
WITHDRAWN published on 10.11.2010
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GBN 254-1985
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WITHDRAWN published on 1.1.1985
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GB/T 254-1987
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WITHDRAWN published on 1.1.1987
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