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GB - Chinese national standards - Page 8906

Standards GB - Chinese national standards - Page 8906

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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Preview GB 7228-1987 3.2.1987
GB 7228-1987 WITHDRAWN

Measuring and calculating method on efficiency of rectifiers and their consumers energy-conversion efficiency in electro-chemical industry

WITHDRAWN published on 3.2.1987

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526.80 USD


in 4 working days
Preview GB 7229-1987 1.1.1987
GB 7229-1987 WITHDRAWN

Sucker rods and their couplings

WITHDRAWN published on 1.1.1987

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electronic design (pdf) (1150.80 USD)


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1 150.80 USD


in 6 working days
Preview GB 7230-1987 4.2.1987
GB 7230-1987 WITHDRAWN

Gas detector tube units

WITHDRAWN published on 4.2.1987

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electronic design (pdf) (334.80 USD)


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334.80 USD


in 3 working days
Preview GB 7231-1987 4.2.1987
GB 7231-1987 WITHDRAWN

Basic identification colours and code indications for industrial pipelines

WITHDRAWN published on 4.2.1987

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electronic design (pdf) (ON REQUEST)


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ON REQUEST


Out of stock
Preview GB/T 7231-2003 13.3.2003
GB/T 7231-2003 WITHDRAWN

Basic identification colors and code indications and safety sign for industrial pipelines

WITHDRAWN published on 13.3.2003

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ON REQUEST


Out of stock
Preview GB/T 7232-1999 3.9.1999
GB/T 7232-1999 WITHDRAWN

Terminology of metal heat treatment

WITHDRAWN published on 3.9.1999

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ON REQUEST


Out of stock
Preview GB/T 7232-2012 3.9.2012
GB/T 7232-2012 WITHDRAWN

Terminology of metal heat treatment

WITHDRAWN published on 3.9.2012

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ON REQUEST


Out of stock
Preview GB/T 7233-1987 4.2.1987
GB/T 7233-1987 WITHDRAWN

Methods for ultrasonic testing and for specifying quality levels of steel castings

WITHDRAWN published on 4.2.1987

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622.80 USD


in 4 working days
Preview GB/T 7233.1-2009 30.10.2009
GB/T 7233.1-2009 WITHDRAWN

Steel castings—Ultrasonic examination—Part 1:Steel castings for general purposes

WITHDRAWN published on 30.10.2009

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electronic design (pdf) (102.00 USD)


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102.00 USD


IN STOCK
Preview GB/T 7233.2-2010 23.12.2010
GB/T 7233.2-2010 WITHDRAWN

Steel castings—Ultrasonic examination—Part 2:Steel castings for highly stressed components

WITHDRAWN published on 23.12.2010

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electronic design (pdf) (1390.80 USD)


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1 390.80 USD


in 5 working days

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