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Standards GB - Chinese national standards - Page 7578
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 4437.1-2000
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Aluminium and aluminium alloy extruded tubes—Part 1:Seamless tubes
WITHDRAWN published on 9.6.2000
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GB/T 4437.1-2015
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Aluminium and aluminium alloy extruded tubes—Part 1:Seamless tubes
WITHDRAWN published on 10.12.2015
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GB/T 4437.2-2003
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Aluminium and aluminium alloy extruded tubes—Part2:Seam tubes
WITHDRAWN published on 15.4.2003
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GB/T 4438-1984
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Aluminium and aluminium alloy corrugated sheets
WITHDRAWN published on 29.5.1984
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GB/T 4439-1984
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Industrial process measurement and control instrument operating conditions--Vibration
WITHDRAWN published on 30.5.1984
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GB 4440-1984
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Adjustable wrenches
WITHDRAWN published on 1.1.1984
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GB/T 4440-1998
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Adjustable wrenches
WITHDRAWN published on 25.3.1998
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GB/T 4440-2008
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Adjustable wrenches
WITHDRAWN published on 30.12.2008
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GB 4441-1984
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Adjustable wrenches--Methods of test, marks and packages
WITHDRAWN published on 1.1.1984
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GB 4442-1984
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Grapnel anchor
WITHDRAWN published on 1.1.1984
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