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Standards GB - Chinese national standards - Page 117
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 11425-2008
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Oil of cassia, China
Standard published on 28.8.2008
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GB/T 1143-2004
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Morse taper shank countersinks for angles 60° and 90°120° inclusive
Standard published on 10.2.2004
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GB/T 11433-1989
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Dimensions of tubes pins and rods of ferromagnetic oxides
Standard published on 31.3.1989
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GB/T 11435-1989
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Ferrite cores for AC erasing heads
Standard published on 31.3.1989
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GB/T 11436-2012
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Chemical analysis methods for products and semi-finished products made of soft ferrite materials
Standard published on 31.12.2012
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GB/T 11437-1989
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Ferrite cores used in broadcast receiver aerials sectional specification
Standard published on 31.3.1989
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GB/T 11438-1989
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Ferrite cores used in broadcast recever aerials blank detail specification--Assessment level A
Standard published on 31.3.1989
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GB/T 1144-2001
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Straight-sided spline--Dimensionstolerances and verification
Standard published on 17.12.2001
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GB/T 11441.1-2012
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Laminations for transformers and inductors for use in telecommunication and electronic equipment - Part 1Mechanical and electrical characteristics
Standard published on 31.12.2012
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GB/T 11441.2-2011
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Laminations for transformers and inductors for use in telecommunication and electronic equipment - Part 2: Specification for the minimum permeabilities of laminations made of soft magnetic metallic materials
Standard published on 30.12.2011
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