GB - Chinese national standards - Page 5652

Standards GB - Chinese national standards - Page 5652

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GB/T 20167-2006 WITHDRAWN

Physical test method of rare earth polishing powder Determination of burnishing mass Gravimetric analysis method

WITHDRAWN published on 13.4.2006

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GB/T 20168-2006 WITHDRAWN

Rapidly-quenched neodymium iron boron permanent magnetic powder

WITHDRAWN published on 13.4.2006

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GB/T 20169-2006 WITHDRAWN

Mixed rare earth oxide of ion-absorpted type rare earth ore

WITHDRAWN published on 13.4.2006

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GB/T 20173-2006 WITHDRAWN

Petroleum and natural gas industries - Pipeline transportation systems - Pipeline valves

WITHDRAWN published on 29.3.2006

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GB/T 20174-2006 WITHDRAWN

Petroleum and natural gas industries - Drilling and production equipment - Drill-through equipment

WITHDRAWN published on 29.3.2006

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GB 20178-2006 WITHDRAWN

Earth-moving machinery - Safety signs and hazard pictorials - General principles

WITHDRAWN published on 29.3.2006

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GB 20178-2014 WITHDRAWN

Earth-moving machinery—Machine safety labels—General principles

WITHDRAWN published on 3.9.2014

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GB/T 2018-1987 WITHDRAWN

Methods of measuring the characteristics of recording and reproducing equipment for sound on magnetic tape

WITHDRAWN published on 27.2.1987

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GB/T 20184-2006 WITHDRAWN

Technical condition for Raman Fiber Amplifier

WITHDRAWN published on 5.4.2006

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GB/T 20186.2-2008 WITHDRAWN

Secondary coating materials used for optical fiber - Part 2Modified propylene resin

WITHDRAWN published on 28.7.2008

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